#!/usr/env/python3


class MaterialData:

    """Collection of useful material data for exploding
    material compositions - note the atomic masses and
    abundances are extracted automatically from PyNE
    """

    atomic_mass_map = {}
    atomic_mass_map[10010000] = 1.00782503223
    atomic_mass_map[10020000] = 2.01410177812
    atomic_mass_map[10030000] = 3.01604927791
    atomic_mass_map[20030000] = 3.01602932008
    atomic_mass_map[30030000] = 3.030775
    atomic_mass_map[10040000] = 4.026431864
    atomic_mass_map[20040000] = 4.00260325413
    atomic_mass_map[30040000] = 4.027185559
    atomic_mass_map[10050000] = 5.035311489
    atomic_mass_map[20050000] = 5.012057224
    atomic_mass_map[30050000] = 5.0125378
    atomic_mass_map[40050000] = 5.03987
    atomic_mass_map[10060000] = 6.044955433
    atomic_mass_map[20060000] = 6.018885891
    atomic_mass_map[30060000] = 6.01512288742
    atomic_mass_map[40060000] = 6.019726411
    atomic_mass_map[50060000] = 6.0508
    atomic_mass_map[10070000] = 7.052749
    atomic_mass_map[20070000] = 7.027990654
    atomic_mass_map[30070000] = 7.01600343659
    atomic_mass_map[40070000] = 7.016928717
    atomic_mass_map[50070000] = 7.029712
    atomic_mass_map[20080000] = 8.03393439
    atomic_mass_map[30080000] = 8.022486246
    atomic_mass_map[40080000] = 8.005305102
    atomic_mass_map[50080000] = 8.024607326
    atomic_mass_map[60080000] = 8.037643042
    atomic_mass_map[20090000] = 9.043946494
    atomic_mass_map[30090000] = 9.026790191
    atomic_mass_map[40090000] = 9.012183065
    atomic_mass_map[50090000] = 9.013329649
    atomic_mass_map[60090000] = 9.031037204
    atomic_mass_map[20100000] = 10.052788655
    atomic_mass_map[30100000] = 10.035483453
    atomic_mass_map[40100000] = 10.013534695
    atomic_mass_map[50100000] = 10.012936949
    atomic_mass_map[60100000] = 10.016853307
    atomic_mass_map[70100000] = 10.04165363
    atomic_mass_map[30110000] = 11.043723581
    atomic_mass_map[40110000] = 11.021661081
    atomic_mass_map[50110000] = 11.009305355
    atomic_mass_map[60110000] = 11.011433563
    atomic_mass_map[70110000] = 11.026091034
    atomic_mass_map[30120000] = 12.052517322
    atomic_mass_map[40120000] = 12.026922082
    atomic_mass_map[50120000] = 12.014352658
    atomic_mass_map[60120000] = 12.0
    atomic_mass_map[70120000] = 12.018613187
    atomic_mass_map[80120000] = 12.034261836
    atomic_mass_map[30130000] = 13.062631523
    atomic_mass_map[40130000] = 13.036134506
    atomic_mass_map[50130000] = 13.017780166
    atomic_mass_map[60130000] = 13.00335483507
    atomic_mass_map[70130000] = 13.005738609
    atomic_mass_map[80130000] = 13.024815446
    atomic_mass_map[40140000] = 14.04289292
    atomic_mass_map[50140000] = 14.025404012
    atomic_mass_map[60140000] = 14.00324198843
    atomic_mass_map[70140000] = 14.00307400443
    atomic_mass_map[80140000] = 14.008596359
    atomic_mass_map[90140000] = 14.034315207
    atomic_mass_map[40150000] = 15.05342
    atomic_mass_map[50150000] = 15.03108768
    atomic_mass_map[60150000] = 15.010599256
    atomic_mass_map[70150000] = 15.00010889888
    atomic_mass_map[80150000] = 15.003065618
    atomic_mass_map[90150000] = 15.018042853
    atomic_mass_map[40160000] = 16.061672036
    atomic_mass_map[50160000] = 16.039841663
    atomic_mass_map[60160000] = 16.014701252
    atomic_mass_map[70160000] = 16.006101925
    atomic_mass_map[80160000] = 15.99491461957
    atomic_mass_map[90160000] = 16.011465725
    atomic_mass_map[100160000] = 16.025750197
    atomic_mass_map[50170000] = 17.046989906
    atomic_mass_map[60170000] = 17.02257747
    atomic_mass_map[70170000] = 17.008448873
    atomic_mass_map[80170000] = 16.9991317565
    atomic_mass_map[90170000] = 17.002095237
    atomic_mass_map[100170000] = 17.017713963
    atomic_mass_map[50180000] = 18.055660189
    atomic_mass_map[60180000] = 18.026750708
    atomic_mass_map[70180000] = 18.014077565
    atomic_mass_map[80180000] = 17.99915961286
    atomic_mass_map[90180000] = 18.000937325
    atomic_mass_map[100180000] = 18.005708703
    atomic_mass_map[110180000] = 18.026878252
    atomic_mass_map[50190000] = 19.0631
    atomic_mass_map[60190000] = 19.034796372
    atomic_mass_map[70190000] = 19.017021603
    atomic_mass_map[80190000] = 19.00357797
    atomic_mass_map[90190000] = 18.99840316273
    atomic_mass_map[100190000] = 19.001880907
    atomic_mass_map[110190000] = 19.013880272
    atomic_mass_map[120190000] = 19.034169186
    atomic_mass_map[50200000] = 20.07207
    atomic_mass_map[60200000] = 20.040319754
    atomic_mass_map[70200000] = 20.023365807
    atomic_mass_map[80200000] = 20.004075354
    atomic_mass_map[90200000] = 19.999981252
    atomic_mass_map[100200000] = 19.99244017617
    atomic_mass_map[110200000] = 20.007354426
    atomic_mass_map[120200000] = 20.018850004
    atomic_mass_map[50210000] = 21.08129
    atomic_mass_map[60210000] = 21.049
    atomic_mass_map[70210000] = 21.02710824
    atomic_mass_map[80210000] = 21.008654813
    atomic_mass_map[90210000] = 20.999948889
    atomic_mass_map[100210000] = 20.993846685
    atomic_mass_map[110210000] = 20.997654695
    atomic_mass_map[120210000] = 21.01171614
    atomic_mass_map[130210000] = 21.028975
    atomic_mass_map[60220000] = 22.057531496
    atomic_mass_map[70220000] = 22.034394934
    atomic_mass_map[80220000] = 22.009966057
    atomic_mass_map[90220000] = 22.002998813
    atomic_mass_map[100220000] = 21.991385114
    atomic_mass_map[110220000] = 21.994437411
    atomic_mass_map[120220000] = 21.999570648
    atomic_mass_map[130220000] = 22.01954
    atomic_mass_map[140220000] = 22.03579
    atomic_mass_map[60230000] = 23.06889
    atomic_mass_map[70230000] = 23.04114
    atomic_mass_map[80230000] = 23.015695922
    atomic_mass_map[90230000] = 23.003556696
    atomic_mass_map[100230000] = 22.994466905
    atomic_mass_map[110230000] = 22.98976928196
    atomic_mass_map[120230000] = 22.994124208
    atomic_mass_map[130230000] = 23.007244351
    atomic_mass_map[140230000] = 23.02544
    atomic_mass_map[70240000] = 24.05039
    atomic_mass_map[80240000] = 24.019861
    atomic_mass_map[90240000] = 24.008115485
    atomic_mass_map[100240000] = 23.99361065
    atomic_mass_map[110240000] = 23.99096295
    atomic_mass_map[120240000] = 23.985041697
    atomic_mass_map[130240000] = 23.999948883
    atomic_mass_map[140240000] = 24.011534538
    atomic_mass_map[150240000] = 24.03577
    atomic_mass_map[70250000] = 25.0601
    atomic_mass_map[80250000] = 25.029358986
    atomic_mass_map[90250000] = 25.012199229
    atomic_mass_map[100250000] = 24.997788707
    atomic_mass_map[110250000] = 24.989953969
    atomic_mass_map[120250000] = 24.985836976
    atomic_mass_map[130250000] = 24.990428102
    atomic_mass_map[140250000] = 25.004108808
    atomic_mass_map[150250000] = 25.02119
    atomic_mass_map[80260000] = 26.03728745
    atomic_mass_map[90260000] = 26.020037768
    atomic_mass_map[100260000] = 26.000514705
    atomic_mass_map[110260000] = 25.992634649
    atomic_mass_map[120260000] = 25.982592968
    atomic_mass_map[130260000] = 25.986891904
    atomic_mass_map[140260000] = 25.992333845
    atomic_mass_map[150260000] = 26.01178
    atomic_mass_map[160260000] = 26.02907
    atomic_mass_map[80270000] = 27.04772
    atomic_mass_map[90270000] = 27.026441
    atomic_mass_map[100270000] = 27.007553268
    atomic_mass_map[110270000] = 26.994076531
    atomic_mass_map[120270000] = 26.984340624
    atomic_mass_map[130270000] = 26.981538530999998
    atomic_mass_map[140270000] = 26.986704811
    atomic_mass_map[150270000] = 26.999224406
    atomic_mass_map[160270000] = 27.01828
    atomic_mass_map[80280000] = 28.05591
    atomic_mass_map[90280000] = 28.035342095
    atomic_mass_map[100280000] = 28.012121998
    atomic_mass_map[110280000] = 27.998939
    atomic_mass_map[120280000] = 27.983876728
    atomic_mass_map[130280000] = 27.98191021
    atomic_mass_map[140280000] = 27.97692653465
    atomic_mass_map[150280000] = 27.992326585
    atomic_mass_map[160280000] = 28.004372766
    atomic_mass_map[170280000] = 28.02954
    atomic_mass_map[90290000] = 29.04254
    atomic_mass_map[100290000] = 29.019753
    atomic_mass_map[110290000] = 29.002877073
    atomic_mass_map[120290000] = 28.988617393
    atomic_mass_map[130290000] = 28.98045649
    atomic_mass_map[140290000] = 28.9764946649
    atomic_mass_map[150290000] = 28.981800794
    atomic_mass_map[160290000] = 28.996611456
    atomic_mass_map[170290000] = 29.01478
    atomic_mass_map[90300000] = 30.05165
    atomic_mass_map[100300000] = 30.024734
    atomic_mass_map[110300000] = 30.009097932
    atomic_mass_map[120300000] = 29.990462926
    atomic_mass_map[130300000] = 29.98296022
    atomic_mass_map[140300000] = 29.973770136
    atomic_mass_map[150300000] = 29.978313753
    atomic_mass_map[160300000] = 29.984907033
    atomic_mass_map[170300000] = 30.00477
    atomic_mass_map[180300000] = 30.02307
    atomic_mass_map[90310000] = 31.059709
    atomic_mass_map[100310000] = 31.033087
    atomic_mass_map[110310000] = 31.013162656
    atomic_mass_map[120310000] = 30.996648032
    atomic_mass_map[130310000] = 30.983945171
    atomic_mass_map[140310000] = 30.975363194
    atomic_mass_map[150310000] = 30.97376199842
    atomic_mass_map[160310000] = 30.979557007
    atomic_mass_map[170310000] = 30.992414203
    atomic_mass_map[180310000] = 31.012124
    atomic_mass_map[100320000] = 32.03972
    atomic_mass_map[110320000] = 32.020193
    atomic_mass_map[120320000] = 31.999110239
    atomic_mass_map[130320000] = 31.988085239
    atomic_mass_map[140320000] = 31.974151539
    atomic_mass_map[150320000] = 31.973907643
    atomic_mass_map[160320000] = 31.97207117441
    atomic_mass_map[170320000] = 31.985684637
    atomic_mass_map[180320000] = 31.997637826
    atomic_mass_map[190320000] = 32.02265
    atomic_mass_map[100330000] = 33.04938
    atomic_mass_map[110330000] = 33.02573
    atomic_mass_map[120330000] = 33.005327145
    atomic_mass_map[130330000] = 32.990908977
    atomic_mass_map[140330000] = 32.977976964
    atomic_mass_map[150330000] = 32.971725694
    atomic_mass_map[160330000] = 32.97145890982
    atomic_mass_map[170330000] = 32.977451989
    atomic_mass_map[180330000] = 32.989925546
    atomic_mass_map[190330000] = 33.00756
    atomic_mass_map[100340000] = 34.056728
    atomic_mass_map[110340000] = 34.03359
    atomic_mass_map[120340000] = 34.008935481
    atomic_mass_map[130340000] = 33.996705398
    atomic_mass_map[140340000] = 33.978575569
    atomic_mass_map[150340000] = 33.973645886
    atomic_mass_map[160340000] = 33.967867004
    atomic_mass_map[170340000] = 33.973762485
    atomic_mass_map[180340000] = 33.98027009
    atomic_mass_map[190340000] = 33.99869
    atomic_mass_map[200340000] = 34.01487
    atomic_mass_map[110350000] = 35.040623
    atomic_mass_map[120350000] = 35.01679
    atomic_mass_map[130350000] = 34.999764
    atomic_mass_map[140350000] = 34.984583476
    atomic_mass_map[150350000] = 34.973314062
    atomic_mass_map[160350000] = 34.96903231
    atomic_mass_map[170350000] = 34.968852682
    atomic_mass_map[180350000] = 34.975257586
    atomic_mass_map[190350000] = 34.988005407
    atomic_mass_map[200350000] = 35.00514
    atomic_mass_map[110360000] = 36.049288
    atomic_mass_map[120360000] = 36.021879
    atomic_mass_map[130360000] = 36.006388
    atomic_mass_map[140360000] = 35.986695219
    atomic_mass_map[150360000] = 35.978259625
    atomic_mass_map[160360000] = 35.967080706
    atomic_mass_map[170360000] = 35.968306809
    atomic_mass_map[180360000] = 35.967545105
    atomic_mass_map[190360000] = 35.98130201
    atomic_mass_map[200360000] = 35.993074404
    atomic_mass_map[210360000] = 36.01648
    atomic_mass_map[110370000] = 37.057051
    atomic_mass_map[120370000] = 37.03037
    atomic_mass_map[130370000] = 37.010531
    atomic_mass_map[140370000] = 36.99292074
    atomic_mass_map[150370000] = 36.979606841
    atomic_mass_map[160370000] = 36.971125514
    atomic_mass_map[170370000] = 36.965902602
    atomic_mass_map[180370000] = 36.966776331
    atomic_mass_map[190370000] = 36.973375889
    atomic_mass_map[200370000] = 36.985897852
    atomic_mass_map[210370000] = 37.00374
    atomic_mass_map[120380000] = 38.03658
    atomic_mass_map[130380000] = 38.017402
    atomic_mass_map[140380000] = 37.995523
    atomic_mass_map[150380000] = 37.984251583
    atomic_mass_map[160380000] = 37.971163328
    atomic_mass_map[170380000] = 37.968010436
    atomic_mass_map[180380000] = 37.962732106
    atomic_mass_map[190380000] = 37.969081117
    atomic_mass_map[200380000] = 37.976319224
    atomic_mass_map[210380000] = 37.99512
    atomic_mass_map[220380000] = 38.01145
    atomic_mass_map[120390000] = 39.045384
    atomic_mass_map[130390000] = 39.02254
    atomic_mass_map[140390000] = 39.002491
    atomic_mass_map[150390000] = 38.986227208
    atomic_mass_map[160390000] = 38.975134197
    atomic_mass_map[170390000] = 38.968008176
    atomic_mass_map[180390000] = 38.964313038
    atomic_mass_map[190390000] = 38.96370648643
    atomic_mass_map[200390000] = 38.970710813
    atomic_mass_map[210390000] = 38.984784968
    atomic_mass_map[220390000] = 39.00236
    atomic_mass_map[120400000] = 40.05218
    atomic_mass_map[130400000] = 40.03003
    atomic_mass_map[140400000] = 40.005829
    atomic_mass_map[150400000] = 39.991331748
    atomic_mass_map[160400000] = 39.975482562
    atomic_mass_map[170400000] = 39.970415469
    atomic_mass_map[180400000] = 39.96238312372
    atomic_mass_map[190400000] = 39.963998166
    atomic_mass_map[200400000] = 39.962590863
    atomic_mass_map[210400000] = 39.977967291
    atomic_mass_map[220400000] = 39.990498719
    atomic_mass_map[230400000] = 40.01276
    atomic_mass_map[130410000] = 41.03638
    atomic_mass_map[140410000] = 41.013011
    atomic_mass_map[150410000] = 40.994654
    atomic_mass_map[160410000] = 40.979593451
    atomic_mass_map[170410000] = 40.970684525
    atomic_mass_map[180410000] = 40.96450057
    atomic_mass_map[190410000] = 40.96182525792
    atomic_mass_map[200410000] = 40.962277924
    atomic_mass_map[210410000] = 40.969251105
    atomic_mass_map[220410000] = 40.983148
    atomic_mass_map[230410000] = 41.00021
    atomic_mass_map[130420000] = 42.04384
    atomic_mass_map[140420000] = 42.01778
    atomic_mass_map[150420000] = 42.001084
    atomic_mass_map[160420000] = 41.9810651
    atomic_mass_map[170420000] = 41.973254804
    atomic_mass_map[180420000] = 41.963045736
    atomic_mass_map[190420000] = 41.962402306
    atomic_mass_map[200420000] = 41.95861783
    atomic_mass_map[210420000] = 41.965516532
    atomic_mass_map[220420000] = 41.973049034
    atomic_mass_map[230420000] = 41.99182
    atomic_mass_map[240420000] = 42.0067
    atomic_mass_map[130430000] = 43.05147
    atomic_mass_map[140430000] = 43.0248
    atomic_mass_map[150430000] = 43.005024
    atomic_mass_map[160430000] = 42.986907635
    atomic_mass_map[170430000] = 42.973888584
    atomic_mass_map[180430000] = 42.965636055
    atomic_mass_map[190430000] = 42.960734702
    atomic_mass_map[200430000] = 42.958766438
    atomic_mass_map[210430000] = 42.961150474
    atomic_mass_map[220430000] = 42.96852252
    atomic_mass_map[230430000] = 42.980766
    atomic_mass_map[240430000] = 42.99753
    atomic_mass_map[140440000] = 44.03061
    atomic_mass_map[150440000] = 44.01121
    atomic_mass_map[160440000] = 43.990118848
    atomic_mass_map[170440000] = 43.977874543
    atomic_mass_map[180440000] = 43.964923815
    atomic_mass_map[190440000] = 43.961586985
    atomic_mass_map[200440000] = 43.955481561
    atomic_mass_map[210440000] = 43.959402875
    atomic_mass_map[220440000] = 43.959689949
    atomic_mass_map[230440000] = 43.97411
    atomic_mass_map[240440000] = 43.98536
    atomic_mass_map[250440000] = 44.00715
    atomic_mass_map[140450000] = 45.03995
    atomic_mass_map[150450000] = 45.01645
    atomic_mass_map[160450000] = 44.995717
    atomic_mass_map[170450000] = 44.98029
    atomic_mass_map[180450000] = 44.968039733
    atomic_mass_map[190450000] = 44.960691493
    atomic_mass_map[200450000] = 44.95618635
    atomic_mass_map[210450000] = 44.955908275
    atomic_mass_map[220450000] = 44.958121983
    atomic_mass_map[230450000] = 44.96577482
    atomic_mass_map[240450000] = 44.97905
    atomic_mass_map[250450000] = 44.99449
    atomic_mass_map[260450000] = 45.014419
    atomic_mass_map[150460000] = 46.02446
    atomic_mass_map[160460000] = 46.00004
    atomic_mass_map[170460000] = 45.985174
    atomic_mass_map[180460000] = 45.968082712
    atomic_mass_map[190460000] = 45.961981586
    atomic_mass_map[200460000] = 45.953689023
    atomic_mass_map[210460000] = 45.955168257
    atomic_mass_map[220460000] = 45.952627718
    atomic_mass_map[230460000] = 45.960198775
    atomic_mass_map[240460000] = 45.968358861
    atomic_mass_map[250460000] = 45.98609
    atomic_mass_map[260460000] = 46.00063
    atomic_mass_map[150470000] = 47.03139
    atomic_mass_map[160470000] = 47.00795
    atomic_mass_map[170470000] = 46.98916
    atomic_mass_map[180470000] = 46.972934865
    atomic_mass_map[190470000] = 46.961661614
    atomic_mass_map[200470000] = 46.954542430000004
    atomic_mass_map[210470000] = 46.95240374
    atomic_mass_map[220470000] = 46.951758787
    atomic_mass_map[230470000] = 46.954904914
    atomic_mass_map[240470000] = 46.962897359
    atomic_mass_map[250470000] = 46.975775
    atomic_mass_map[260470000] = 46.99185
    atomic_mass_map[270470000] = 47.01057
    atomic_mass_map[160480000] = 48.0137
    atomic_mass_map[170480000] = 47.99564
    atomic_mass_map[180480000] = 47.97591
    atomic_mass_map[190480000] = 47.965341186
    atomic_mass_map[200480000] = 47.952522765
    atomic_mass_map[210480000] = 47.952223611
    atomic_mass_map[220480000] = 47.947941979
    atomic_mass_map[230480000] = 47.952252223
    atomic_mass_map[240480000] = 47.954029061
    atomic_mass_map[250480000] = 47.96852
    atomic_mass_map[260480000] = 47.98023
    atomic_mass_map[270480000] = 48.00093
    atomic_mass_map[280480000] = 48.017688
    atomic_mass_map[160490000] = 49.022762
    atomic_mass_map[170490000] = 49.00123
    atomic_mass_map[180490000] = 48.9819
    atomic_mass_map[190490000] = 48.968210755
    atomic_mass_map[200490000] = 48.955662736
    atomic_mass_map[210490000] = 48.950014629
    atomic_mass_map[220490000] = 48.947865676
    atomic_mass_map[230490000] = 48.948511795
    atomic_mass_map[240490000] = 48.951333349
    atomic_mass_map[250490000] = 48.959595297
    atomic_mass_map[260490000] = 48.973429
    atomic_mass_map[270490000] = 48.98891
    atomic_mass_map[280490000] = 49.0077
    atomic_mass_map[170500000] = 50.00905
    atomic_mass_map[180500000] = 49.98613
    atomic_mass_map[190500000] = 49.972380017
    atomic_mass_map[200500000] = 49.957499217
    atomic_mass_map[210500000] = 49.952176274
    atomic_mass_map[220500000] = 49.944786889
    atomic_mass_map[230500000] = 49.947156014
    atomic_mass_map[240500000] = 49.946041833
    atomic_mass_map[250500000] = 49.954237781
    atomic_mass_map[260500000] = 49.962974929
    atomic_mass_map[270500000] = 49.98091
    atomic_mass_map[280500000] = 49.99474
    atomic_mass_map[170510000] = 51.01554
    atomic_mass_map[180510000] = 50.9937
    atomic_mass_map[190510000] = 50.975828036
    atomic_mass_map[200510000] = 50.960988981
    atomic_mass_map[210510000] = 50.953591956
    atomic_mass_map[220510000] = 50.946610651
    atomic_mass_map[230510000] = 50.943957036
    atomic_mass_map[240510000] = 50.944765018
    atomic_mass_map[250510000] = 50.948208475
    atomic_mass_map[260510000] = 50.956841021
    atomic_mass_map[270510000] = 50.970647
    atomic_mass_map[280510000] = 50.98611
    atomic_mass_map[180520000] = 51.99896
    atomic_mass_map[190520000] = 51.98224
    atomic_mass_map[200520000] = 51.963217145
    atomic_mass_map[210520000] = 51.956879479
    atomic_mass_map[220520000] = 51.946893006
    atomic_mass_map[230520000] = 51.944773007
    atomic_mass_map[240520000] = 51.940506231
    atomic_mass_map[250520000] = 51.945563949
    atomic_mass_map[260520000] = 51.948113146
    atomic_mass_map[270520000] = 51.96351
    atomic_mass_map[280520000] = 51.9748
    atomic_mass_map[290520000] = 51.99671
    atomic_mass_map[180530000] = 53.00729
    atomic_mass_map[190530000] = 52.98746
    atomic_mass_map[200530000] = 52.96945
    atomic_mass_map[210530000] = 52.95909
    atomic_mass_map[220530000] = 52.949725933
    atomic_mass_map[230530000] = 52.944336741
    atomic_mass_map[240530000] = 52.940648147
    atomic_mass_map[250530000] = 52.941288891
    atomic_mass_map[260530000] = 52.945306428
    atomic_mass_map[270530000] = 52.954204077
    atomic_mass_map[280530000] = 52.96819
    atomic_mass_map[290530000] = 52.98459
    atomic_mass_map[190540000] = 53.99463
    atomic_mass_map[200540000] = 53.9734
    atomic_mass_map[210540000] = 53.96393
    atomic_mass_map[220540000] = 53.951049547
    atomic_mass_map[230540000] = 53.946438617
    atomic_mass_map[240540000] = 53.938879158
    atomic_mass_map[250540000] = 53.940357614999996
    atomic_mass_map[260540000] = 53.939608986
    atomic_mass_map[270540000] = 53.948459872
    atomic_mass_map[280540000] = 53.957892463
    atomic_mass_map[290540000] = 53.97666
    atomic_mass_map[300540000] = 53.992039
    atomic_mass_map[190550000] = 55.00076
    atomic_mass_map[200550000] = 54.9803
    atomic_mass_map[210550000] = 54.967818892
    atomic_mass_map[220550000] = 54.955268064
    atomic_mass_map[230550000] = 54.94724215
    atomic_mass_map[240550000] = 54.940838434
    atomic_mass_map[250550000] = 54.93804391
    atomic_mass_map[260550000] = 54.938291994
    atomic_mass_map[270550000] = 54.941997202
    atomic_mass_map[280550000] = 54.951330632
    atomic_mass_map[290550000] = 54.966038
    atomic_mass_map[300550000] = 54.98398
    atomic_mass_map[190560000] = 56.00851
    atomic_mass_map[200560000] = 55.985079999999996
    atomic_mass_map[210560000] = 55.97345
    atomic_mass_map[220560000] = 55.957911353
    atomic_mass_map[230560000] = 55.95048481
    atomic_mass_map[240560000] = 55.940653139
    atomic_mass_map[250560000] = 55.938903691
    atomic_mass_map[260560000] = 55.934936326
    atomic_mass_map[270560000] = 55.939838798
    atomic_mass_map[280560000] = 55.942128549
    atomic_mass_map[290560000] = 55.95895
    atomic_mass_map[300560000] = 55.97254
    atomic_mass_map[310560000] = 55.99536
    atomic_mass_map[200570000] = 56.99262
    atomic_mass_map[210570000] = 56.97777
    atomic_mass_map[220570000] = 56.963641626
    atomic_mass_map[230570000] = 56.952518869
    atomic_mass_map[240570000] = 56.943613013
    atomic_mass_map[250570000] = 56.938286096
    atomic_mass_map[260570000] = 56.935392841
    atomic_mass_map[270570000] = 56.936290574
    atomic_mass_map[280570000] = 56.939792184
    atomic_mass_map[290570000] = 56.949212498
    atomic_mass_map[300570000] = 56.96506
    atomic_mass_map[310570000] = 56.9832
    atomic_mass_map[200580000] = 57.99794
    atomic_mass_map[210580000] = 57.98403
    atomic_mass_map[220580000] = 57.9666
    atomic_mass_map[230580000] = 57.956715235
    atomic_mass_map[240580000] = 57.944353129
    atomic_mass_map[250580000] = 57.940066645
    atomic_mass_map[260580000] = 57.933274431
    atomic_mass_map[270580000] = 57.935752073
    atomic_mass_map[280580000] = 57.935342414
    atomic_mass_map[290580000] = 57.944533046
    atomic_mass_map[300580000] = 57.954591062
    atomic_mass_map[310580000] = 57.97478
    atomic_mass_map[320580000] = 57.99172
    atomic_mass_map[210590000] = 58.98894
    atomic_mass_map[220590000] = 58.97247
    atomic_mass_map[230590000] = 58.959385659
    atomic_mass_map[240590000] = 58.948586367
    atomic_mass_map[250590000] = 58.940391113
    atomic_mass_map[260590000] = 58.934874338
    atomic_mass_map[270590000] = 58.933194288
    atomic_mass_map[280590000] = 58.934346202
    atomic_mass_map[290590000] = 58.939497482
    atomic_mass_map[300590000] = 58.949312657
    atomic_mass_map[310590000] = 58.96353
    atomic_mass_map[320590000] = 58.98249
    atomic_mass_map[210600000] = 59.99565
    atomic_mass_map[220600000] = 59.97603
    atomic_mass_map[230600000] = 59.96431329
    atomic_mass_map[240600000] = 59.950076033
    atomic_mass_map[250600000] = 59.943136576
    atomic_mass_map[260600000] = 59.9340711
    atomic_mass_map[270600000] = 59.933816299
    atomic_mass_map[280600000] = 59.930785885
    atomic_mass_map[290600000] = 59.937364544
    atomic_mass_map[300600000] = 59.941842103
    atomic_mass_map[310600000] = 59.95729
    atomic_mass_map[320600000] = 59.97036
    atomic_mass_map[330600000] = 59.99388
    atomic_mass_map[210610000] = 61.001
    atomic_mass_map[220610000] = 60.98245
    atomic_mass_map[230610000] = 60.96725
    atomic_mass_map[240610000] = 60.954422585
    atomic_mass_map[250610000] = 60.944452544
    atomic_mass_map[260610000] = 60.936746244
    atomic_mass_map[270610000] = 60.93247662
    atomic_mass_map[280610000] = 60.93105557
    atomic_mass_map[290610000] = 60.933457612
    atomic_mass_map[300610000] = 60.939507188
    atomic_mass_map[310610000] = 60.949398984
    atomic_mass_map[320610000] = 60.96379
    atomic_mass_map[330610000] = 60.98112
    atomic_mass_map[220620000] = 61.98651
    atomic_mass_map[230620000] = 61.97265
    atomic_mass_map[240620000] = 61.956097451
    atomic_mass_map[250620000] = 61.947954
    atomic_mass_map[260620000] = 61.936791812
    atomic_mass_map[270620000] = 61.934058809
    atomic_mass_map[280620000] = 61.928345365
    atomic_mass_map[290620000] = 61.932595415
    atomic_mass_map[300620000] = 61.934333971
    atomic_mass_map[310620000] = 61.944190251
    atomic_mass_map[320620000] = 61.95502
    atomic_mass_map[330620000] = 61.97361
    atomic_mass_map[220630000] = 62.99375
    atomic_mass_map[230630000] = 62.97639
    atomic_mass_map[240630000] = 62.961650731
    atomic_mass_map[250630000] = 62.949664675
    atomic_mass_map[260630000] = 62.9402727
    atomic_mass_map[270630000] = 62.933600217
    atomic_mass_map[280630000] = 62.929669626
    atomic_mass_map[290630000] = 62.929597723
    atomic_mass_map[300630000] = 62.933211474
    atomic_mass_map[310630000] = 62.939294196
    atomic_mass_map[320630000] = 62.949628
    atomic_mass_map[330630000] = 62.9639
    atomic_mass_map[230640000] = 63.98264
    atomic_mass_map[240640000] = 63.96408
    atomic_mass_map[250640000] = 63.95384937
    atomic_mass_map[260640000] = 63.940987763
    atomic_mass_map[270640000] = 63.935810764
    atomic_mass_map[280640000] = 63.927966816
    atomic_mass_map[290640000] = 63.929764342
    atomic_mass_map[300640000] = 63.929142013
    atomic_mass_map[310640000] = 63.93684044
    atomic_mass_map[320640000] = 63.941689913
    atomic_mass_map[330640000] = 63.957432
    atomic_mass_map[340640000] = 63.97109
    atomic_mass_map[230650000] = 64.9875
    atomic_mass_map[240650000] = 64.96996
    atomic_mass_map[250650000] = 64.95601975
    atomic_mass_map[260650000] = 64.945011462
    atomic_mass_map[270650000] = 64.936462072
    atomic_mass_map[280650000] = 64.930085173
    atomic_mass_map[290650000] = 64.927789704
    atomic_mass_map[300650000] = 64.92924077
    atomic_mass_map[310650000] = 64.932734588
    atomic_mass_map[320650000] = 64.939368137
    atomic_mass_map[330650000] = 64.949611
    atomic_mass_map[340650000] = 64.9644
    atomic_mass_map[230660000] = 65.99398
    atomic_mass_map[240660000] = 65.97366
    atomic_mass_map[250660000] = 65.960546834
    atomic_mass_map[260660000] = 65.94624996
    atomic_mass_map[270660000] = 65.939442945
    atomic_mass_map[280660000] = 65.929139334
    atomic_mass_map[290660000] = 65.928869032
    atomic_mass_map[300660000] = 65.926033809
    atomic_mass_map[310660000] = 65.931589401
    atomic_mass_map[320660000] = 65.933862126
    atomic_mass_map[330660000] = 65.944148779
    atomic_mass_map[340660000] = 65.95559
    atomic_mass_map[240670000] = 66.98016
    atomic_mass_map[250670000] = 66.96424
    atomic_mass_map[260670000] = 66.950543395
    atomic_mass_map[270670000] = 66.940609627
    atomic_mass_map[280670000] = 66.931569414
    atomic_mass_map[290670000] = 66.927730314
    atomic_mass_map[300670000] = 66.927127746
    atomic_mass_map[310670000] = 66.928202547
    atomic_mass_map[320670000] = 66.932733861
    atomic_mass_map[330670000] = 66.939251112
    atomic_mass_map[340670000] = 66.949994
    atomic_mass_map[350670000] = 66.96465
    atomic_mass_map[240680000] = 67.98403
    atomic_mass_map[250680000] = 67.96962
    atomic_mass_map[260680000] = 67.95295155
    atomic_mass_map[270680000] = 67.944257589
    atomic_mass_map[280680000] = 67.931868789
    atomic_mass_map[290680000] = 67.929610889
    atomic_mass_map[300680000] = 67.924844554
    atomic_mass_map[310680000] = 67.927980485
    atomic_mass_map[320680000] = 67.928095307
    atomic_mass_map[330680000] = 67.93677413
    atomic_mass_map[340680000] = 67.941825238
    atomic_mass_map[350680000] = 67.958732
    atomic_mass_map[250690000] = 68.97366
    atomic_mass_map[260690000] = 68.95807
    atomic_mass_map[270690000] = 68.946141268
    atomic_mass_map[280690000] = 68.935610269
    atomic_mass_map[290690000] = 68.929429269
    atomic_mass_map[300690000] = 68.926550682
    atomic_mass_map[310690000] = 68.925573541
    atomic_mass_map[320690000] = 68.927964481
    atomic_mass_map[330690000] = 68.932246302
    atomic_mass_map[340690000] = 68.939414847
    atomic_mass_map[350690000] = 68.950497297
    atomic_mass_map[360690000] = 68.96518
    atomic_mass_map[250700000] = 69.97937
    atomic_mass_map[260700000] = 69.96102
    atomic_mass_map[270700000] = 69.94963
    atomic_mass_map[280700000] = 69.936431302
    atomic_mass_map[290700000] = 69.932392079
    atomic_mass_map[300700000] = 69.925319208
    atomic_mass_map[310700000] = 69.926021927
    atomic_mass_map[320700000] = 69.92424875
    atomic_mass_map[330700000] = 69.930926195
    atomic_mass_map[340700000] = 69.933515523
    atomic_mass_map[350700000] = 69.944792323
    atomic_mass_map[360700000] = 69.95604
    atomic_mass_map[250710000] = 70.98368
    atomic_mass_map[260710000] = 70.96672
    atomic_mass_map[270710000] = 70.952366923
    atomic_mass_map[280710000] = 70.940518964
    atomic_mass_map[290710000] = 70.932676833
    atomic_mass_map[300710000] = 70.927719582
    atomic_mass_map[310710000] = 70.924702577
    atomic_mass_map[320710000] = 70.924952327
    atomic_mass_map[330710000] = 70.927113801
    atomic_mass_map[340710000] = 70.932209433
    atomic_mass_map[350710000] = 70.939342155
    atomic_mass_map[360710000] = 70.950265696
    atomic_mass_map[370710000] = 70.96532
    atomic_mass_map[260720000] = 71.96983
    atomic_mass_map[270720000] = 71.95729
    atomic_mass_map[280720000] = 71.941785926
    atomic_mass_map[290720000] = 71.935820307
    atomic_mass_map[300720000] = 71.926842807
    atomic_mass_map[310720000] = 71.926367474
    atomic_mass_map[320720000] = 71.922075826
    atomic_mass_map[330720000] = 71.926752294
    atomic_mass_map[340720000] = 71.927140507
    atomic_mass_map[350720000] = 71.936588619
    atomic_mass_map[360720000] = 71.942092407
    atomic_mass_map[370720000] = 71.95908
    atomic_mass_map[260730000] = 72.97572
    atomic_mass_map[270730000] = 72.96039
    atomic_mass_map[280730000] = 72.946206683
    atomic_mass_map[290730000] = 72.936674378
    atomic_mass_map[300730000] = 72.929582582
    atomic_mass_map[310730000] = 72.925174682
    atomic_mass_map[320730000] = 72.923458956
    atomic_mass_map[330730000] = 72.923829086
    atomic_mass_map[340730000] = 72.926754882
    atomic_mass_map[350730000] = 72.931671503
    atomic_mass_map[360730000] = 72.939289195
    atomic_mass_map[370730000] = 72.950529
    atomic_mass_map[380730000] = 72.9657
    atomic_mass_map[260740000] = 73.97935
    atomic_mass_map[270740000] = 73.96515
    atomic_mass_map[280740000] = 73.94798
    atomic_mass_map[290740000] = 73.939874862
    atomic_mass_map[300740000] = 73.929407262
    atomic_mass_map[310740000] = 73.926945727
    atomic_mass_map[320740000] = 73.921177761
    atomic_mass_map[330740000] = 73.923928598
    atomic_mass_map[340740000] = 73.922475934
    atomic_mass_map[350740000] = 73.929910177
    atomic_mass_map[360740000] = 73.93308402
    atomic_mass_map[370740000] = 73.944265894
    atomic_mass_map[380740000] = 73.95617
    atomic_mass_map[270750000] = 74.96876
    atomic_mass_map[280750000] = 74.9525
    atomic_mass_map[290750000] = 74.941522606
    atomic_mass_map[300750000] = 74.932840246
    atomic_mass_map[310750000] = 74.926500246
    atomic_mass_map[320750000] = 74.92285837
    atomic_mass_map[330750000] = 74.921594567
    atomic_mass_map[340750000] = 74.92252287
    atomic_mass_map[350750000] = 74.925810452
    atomic_mass_map[360750000] = 74.930945746
    atomic_mass_map[370750000] = 74.938573201
    atomic_mass_map[380750000] = 74.94995277
    atomic_mass_map[270760000] = 75.97413
    atomic_mass_map[280760000] = 75.95533
    atomic_mass_map[290760000] = 75.945275026
    atomic_mass_map[300760000] = 75.933114957
    atomic_mass_map[310760000] = 75.928827626
    atomic_mass_map[320760000] = 75.921402726
    atomic_mass_map[330760000] = 75.922392015
    atomic_mass_map[340760000] = 75.919213704
    atomic_mass_map[350760000] = 75.924541576
    atomic_mass_map[360760000] = 75.925910271
    atomic_mass_map[370760000] = 75.935073032
    atomic_mass_map[380760000] = 75.941762761
    atomic_mass_map[390760000] = 75.95856
    atomic_mass_map[280770000] = 76.96055
    atomic_mass_map[290770000] = 76.94792
    atomic_mass_map[300770000] = 76.936887199
    atomic_mass_map[310770000] = 76.9291543
    atomic_mass_map[320770000] = 76.923549843
    atomic_mass_map[330770000] = 76.920647563
    atomic_mass_map[340770000] = 76.919914154
    atomic_mass_map[350770000] = 76.921379198
    atomic_mass_map[360770000] = 76.92467
    atomic_mass_map[370770000] = 76.9304016
    atomic_mass_map[380770000] = 76.937945455
    atomic_mass_map[390770000] = 76.949781
    atomic_mass_map[280780000] = 77.96336
    atomic_mass_map[290780000] = 77.95223
    atomic_mass_map[300780000] = 77.938289206
    atomic_mass_map[310780000] = 77.931608845
    atomic_mass_map[320780000] = 77.922852908
    atomic_mass_map[330780000] = 77.921827773
    atomic_mass_map[340780000] = 77.91730928
    atomic_mass_map[350780000] = 77.921145895
    atomic_mass_map[360780000] = 77.920364944
    atomic_mass_map[370780000] = 77.928141868
    atomic_mass_map[380780000] = 77.93217998
    atomic_mass_map[390780000] = 77.94361
    atomic_mass_map[400780000] = 77.95566
    atomic_mass_map[280790000] = 78.970252
    atomic_mass_map[290790000] = 78.95502
    atomic_mass_map[300790000] = 78.942638069
    atomic_mass_map[310790000] = 78.932852301
    atomic_mass_map[320790000] = 78.925360127
    atomic_mass_map[330790000] = 78.920948423
    atomic_mass_map[340790000] = 78.918499287
    atomic_mass_map[350790000] = 78.918337579
    atomic_mass_map[360790000] = 78.920082923
    atomic_mass_map[370790000] = 78.923989864
    atomic_mass_map[380790000] = 78.929707664
    atomic_mass_map[390790000] = 78.937351299
    atomic_mass_map[400790000] = 78.94948
    atomic_mass_map[290800000] = 79.96089
    atomic_mass_map[300800000] = 79.944552931
    atomic_mass_map[310800000] = 79.936420775
    atomic_mass_map[320800000] = 79.925350775
    atomic_mass_map[330800000] = 79.922474584
    atomic_mass_map[340800000] = 79.916521762
    atomic_mass_map[350800000] = 79.918529788
    atomic_mass_map[360800000] = 79.916378084
    atomic_mass_map[370800000] = 79.922516444
    atomic_mass_map[380800000] = 79.924517516
    atomic_mass_map[390800000] = 79.934356096
    atomic_mass_map[400800000] = 79.9404
    atomic_mass_map[290810000] = 80.965872
    atomic_mass_map[300810000] = 80.950402619
    atomic_mass_map[310810000] = 80.938133843
    atomic_mass_map[320810000] = 80.928832943
    atomic_mass_map[330810000] = 80.92213228
    atomic_mass_map[340810000] = 80.917993023
    atomic_mass_map[350810000] = 80.91628969
    atomic_mass_map[360810000] = 80.916591181
    atomic_mass_map[370810000] = 80.918993936
    atomic_mass_map[380810000] = 80.923211395
    atomic_mass_map[390810000] = 80.929455556
    atomic_mass_map[400810000] = 80.937308892
    atomic_mass_map[410810000] = 80.9496
    atomic_mass_map[290820000] = 81.972442
    atomic_mass_map[300820000] = 81.95426
    atomic_mass_map[310820000] = 81.943176533
    atomic_mass_map[320820000] = 81.929774033
    atomic_mass_map[330820000] = 81.924741233
    atomic_mass_map[340820000] = 81.916699497
    atomic_mass_map[350820000] = 81.916803246
    atomic_mass_map[360820000] = 81.91348273
    atomic_mass_map[370820000] = 81.918209024
    atomic_mass_map[380820000] = 81.918399855
    atomic_mass_map[390820000] = 81.926931401
    atomic_mass_map[400820000] = 81.931354
    atomic_mass_map[410820000] = 81.94396
    atomic_mass_map[300830000] = 82.96056
    atomic_mass_map[310830000] = 82.947120301
    atomic_mass_map[320830000] = 82.934539101
    atomic_mass_map[330830000] = 82.925206901
    atomic_mass_map[340830000] = 82.919118569
    atomic_mass_map[350830000] = 82.91517562
    atomic_mass_map[360830000] = 82.914127164
    atomic_mass_map[370830000] = 82.915114183
    atomic_mass_map[380830000] = 82.917554374
    atomic_mass_map[390830000] = 82.92248525
    atomic_mass_map[400830000] = 82.92924215
    atomic_mass_map[410830000] = 82.937293731
    atomic_mass_map[420830000] = 82.94988
    atomic_mass_map[300840000] = 83.965206
    atomic_mass_map[310840000] = 83.95246
    atomic_mass_map[320840000] = 83.937575092
    atomic_mass_map[330840000] = 83.929303292
    atomic_mass_map[340840000] = 83.918466763
    atomic_mass_map[350840000] = 83.916496419
    atomic_mass_map[360840000] = 83.91149772816
    atomic_mass_map[370840000] = 83.914375229
    atomic_mass_map[380840000] = 83.913419136
    atomic_mass_map[390840000] = 83.920672086
    atomic_mass_map[400840000] = 83.923326899
    atomic_mass_map[410840000] = 83.934492
    atomic_mass_map[420840000] = 83.94149
    atomic_mass_map[300850000] = 84.97226
    atomic_mass_map[310850000] = 84.95699
    atomic_mass_map[320850000] = 84.94296966
    atomic_mass_map[330850000] = 84.93216366
    atomic_mass_map[340850000] = 84.92226076
    atomic_mass_map[350850000] = 84.91564576
    atomic_mass_map[360850000] = 84.912527262
    atomic_mass_map[370850000] = 84.9117897379
    atomic_mass_map[380850000] = 84.912932046
    atomic_mass_map[390850000] = 84.916433039
    atomic_mass_map[400850000] = 84.921444448
    atomic_mass_map[410850000] = 84.928845837
    atomic_mass_map[420850000] = 84.938260737
    atomic_mass_map[430850000] = 84.95058
    atomic_mass_map[310860000] = 85.96301
    atomic_mass_map[320860000] = 85.94658
    atomic_mass_map[330860000] = 85.936701533
    atomic_mass_map[340860000] = 85.924311733
    atomic_mass_map[350860000] = 85.918805433
    atomic_mass_map[360860000] = 85.91061062693
    atomic_mass_map[370860000] = 85.911167425
    atomic_mass_map[380860000] = 85.909260608
    atomic_mass_map[390860000] = 85.91488598
    atomic_mass_map[400860000] = 85.916297204
    atomic_mass_map[410860000] = 85.925782798
    atomic_mass_map[420860000] = 85.931174817
    atomic_mass_map[430860000] = 85.94493
    atomic_mass_map[310870000] = 86.968245
    atomic_mass_map[320870000] = 86.95268
    atomic_mass_map[330870000] = 86.940291718
    atomic_mass_map[340870000] = 86.928688618
    atomic_mass_map[350870000] = 86.920674018
    atomic_mass_map[360870000] = 86.91335476
    atomic_mass_map[370870000] = 86.909180531
    atomic_mass_map[380870000] = 86.908877531
    atomic_mass_map[390870000] = 86.910876138
    atomic_mass_map[400870000] = 86.914817988
    atomic_mass_map[410870000] = 86.920693747
    atomic_mass_map[420870000] = 86.928196201
    atomic_mass_map[430870000] = 86.938067187
    atomic_mass_map[440870000] = 86.95069
    atomic_mass_map[320880000] = 87.95691
    atomic_mass_map[330880000] = 87.94555
    atomic_mass_map[340880000] = 87.931417492
    atomic_mass_map[350880000] = 87.924083292
    atomic_mass_map[360880000] = 87.914447881
    atomic_mass_map[370880000] = 87.911315592
    atomic_mass_map[380880000] = 87.905612542
    atomic_mass_map[390880000] = 87.909501563
    atomic_mass_map[400880000] = 87.91022129
    atomic_mass_map[410880000] = 87.91822171
    atomic_mass_map[420880000] = 87.921967781
    atomic_mass_map[430880000] = 87.933782381
    atomic_mass_map[440880000] = 87.9416
    atomic_mass_map[320890000] = 88.96379
    atomic_mass_map[330890000] = 88.94976
    atomic_mass_map[340890000] = 88.93666906
    atomic_mass_map[350890000] = 88.92670456
    atomic_mass_map[360890000] = 88.917835451
    atomic_mass_map[370890000] = 88.912278298
    atomic_mass_map[380890000] = 88.907451095
    atomic_mass_map[390890000] = 88.905840348
    atomic_mass_map[400890000] = 88.908881441
    atomic_mass_map[410890000] = 88.913445073
    atomic_mass_map[420890000] = 88.919468151
    atomic_mass_map[430890000] = 88.927648651
    atomic_mass_map[440890000] = 88.93762
    atomic_mass_map[450890000] = 88.950584
    atomic_mass_map[320900000] = 89.96863
    atomic_mass_map[330900000] = 89.95563
    atomic_mass_map[340900000] = 89.940096
    atomic_mass_map[350900000] = 89.93129285
    atomic_mass_map[360900000] = 89.919527931
    atomic_mass_map[370900000] = 89.914798453
    atomic_mass_map[380900000] = 89.907730037
    atomic_mass_map[390900000] = 89.907143942
    atomic_mass_map[400900000] = 89.90469765899999
    atomic_mass_map[410900000] = 89.911258449
    atomic_mass_map[420900000] = 89.913930861
    atomic_mass_map[430900000] = 89.924073921
    atomic_mass_map[440900000] = 89.93034438
    atomic_mass_map[450900000] = 89.94422
    atomic_mass_map[330910000] = 90.96039
    atomic_mass_map[340910000] = 90.94596
    atomic_mass_map[350910000] = 90.934398619
    atomic_mass_map[360910000] = 90.923806311
    atomic_mass_map[370910000] = 90.916537169
    atomic_mass_map[380910000] = 90.910195442
    atomic_mass_map[390910000] = 90.907297442
    atomic_mass_map[400910000] = 90.905639587
    atomic_mass_map[410910000] = 90.906989658
    atomic_mass_map[420910000] = 90.911745312
    atomic_mass_map[430910000] = 90.918425397
    atomic_mass_map[440910000] = 90.926741859
    atomic_mass_map[450910000] = 90.93688
    atomic_mass_map[460910000] = 90.95032
    atomic_mass_map[330920000] = 91.96674
    atomic_mass_map[340920000] = 91.94984
    atomic_mass_map[350920000] = 91.939631597
    atomic_mass_map[360920000] = 91.926173094
    atomic_mass_map[370920000] = 91.919728389
    atomic_mass_map[380920000] = 91.91103819
    atomic_mass_map[390920000] = 91.908945142
    atomic_mass_map[400920000] = 91.905034675
    atomic_mass_map[410920000] = 91.907188081
    atomic_mass_map[420920000] = 91.906807959
    atomic_mass_map[430920000] = 91.915269779
    atomic_mass_map[440920000] = 91.920234375
    atomic_mass_map[450920000] = 91.932367694
    atomic_mass_map[460920000] = 91.94087999999999
    atomic_mass_map[340930000] = 92.95629
    atomic_mass_map[350930000] = 92.943134
    atomic_mass_map[360930000] = 92.931147174
    atomic_mass_map[370930000] = 92.922039269
    atomic_mass_map[380930000] = 92.914024228
    atomic_mass_map[390930000] = 92.909577886
    atomic_mass_map[400930000] = 92.906469947
    atomic_mass_map[410930000] = 92.906373004
    atomic_mass_map[420930000] = 92.906809577
    atomic_mass_map[430930000] = 92.910245952
    atomic_mass_map[440930000] = 92.917104444
    atomic_mass_map[450930000] = 92.925912781
    atomic_mass_map[460930000] = 92.936511
    atomic_mass_map[470930000] = 92.95033
    atomic_mass_map[340940000] = 93.96049
    atomic_mass_map[350940000] = 93.9489
    atomic_mass_map[360940000] = 93.934140454
    atomic_mass_map[370940000] = 93.926394814
    atomic_mass_map[380940000] = 93.915355602
    atomic_mass_map[390940000] = 93.911590582
    atomic_mass_map[400940000] = 93.906310828
    atomic_mass_map[410940000] = 93.907278836
    atomic_mass_map[420940000] = 93.905084903
    atomic_mass_map[430940000] = 93.909653637
    atomic_mass_map[440940000] = 93.911342863
    atomic_mass_map[450940000] = 93.921730453
    atomic_mass_map[460940000] = 93.929037603
    atomic_mass_map[470940000] = 93.943734
    atomic_mass_map[340950000] = 94.9673
    atomic_mass_map[350950000] = 94.95301
    atomic_mass_map[360950000] = 94.939710924
    atomic_mass_map[370950000] = 94.929260004
    atomic_mass_map[380950000] = 94.919352941
    atomic_mass_map[390950000] = 94.912816058
    atomic_mass_map[400950000] = 94.90803853
    atomic_mass_map[410950000] = 94.906832404
    atomic_mass_map[420950000] = 94.905838766
    atomic_mass_map[430950000] = 94.907653612
    atomic_mass_map[440950000] = 94.910405759
    atomic_mass_map[450950000] = 94.915897895
    atomic_mass_map[460950000] = 94.924889838
    atomic_mass_map[470950000] = 94.93602
    atomic_mass_map[480950000] = 94.94994
    atomic_mass_map[350960000] = 95.95903
    atomic_mass_map[360960000] = 95.943016618
    atomic_mass_map[370960000] = 95.93413338
    atomic_mass_map[380960000] = 95.921706575
    atomic_mass_map[390960000] = 95.915896835
    atomic_mass_map[400960000] = 95.908271433
    atomic_mass_map[410960000] = 95.908097286
    atomic_mass_map[420960000] = 95.904676115
    atomic_mass_map[430960000] = 95.907868022
    atomic_mass_map[440960000] = 95.907590255
    atomic_mass_map[450960000] = 95.914453051
    atomic_mass_map[460960000] = 95.918215084
    atomic_mass_map[470960000] = 95.930743906
    atomic_mass_map[480960000] = 95.94034
    atomic_mass_map[350970000] = 96.96344
    atomic_mass_map[360970000] = 96.949088785
    atomic_mass_map[370970000] = 96.937177136
    atomic_mass_map[380970000] = 96.92637396
    atomic_mass_map[390970000] = 96.918274106
    atomic_mass_map[400970000] = 96.910951206
    atomic_mass_map[410970000] = 96.908095932
    atomic_mass_map[420970000] = 96.906018118
    atomic_mass_map[430970000] = 96.906366706
    atomic_mass_map[440970000] = 96.90754712
    atomic_mass_map[450970000] = 96.911329216
    atomic_mass_map[460970000] = 96.916471988
    atomic_mass_map[470970000] = 96.923965326
    atomic_mass_map[480970000] = 96.9351
    atomic_mass_map[490970000] = 96.94934
    atomic_mass_map[350980000] = 97.96946
    atomic_mass_map[360980000] = 97.95243
    atomic_mass_map[370980000] = 97.941686868
    atomic_mass_map[380980000] = 97.928688778
    atomic_mass_map[390980000] = 97.922382119
    atomic_mass_map[400980000] = 97.912728892
    atomic_mass_map[410980000] = 97.910326459
    atomic_mass_map[420980000] = 97.90540482
    atomic_mass_map[430980000] = 97.907212365
    atomic_mass_map[440980000] = 97.905286813
    atomic_mass_map[450980000] = 97.910707839
    atomic_mass_map[460980000] = 97.912698337
    atomic_mass_map[470980000] = 97.921559973
    atomic_mass_map[480980000] = 97.927389318
    atomic_mass_map[490980000] = 97.94214
    atomic_mass_map[360990000] = 98.95839
    atomic_mass_map[370990000] = 98.945028735
    atomic_mass_map[380990000] = 98.932890666
    atomic_mass_map[390990000] = 98.924147979
    atomic_mass_map[400990000] = 98.916666746
    atomic_mass_map[410990000] = 98.911613177
    atomic_mass_map[420990000] = 98.907708509
    atomic_mass_map[430990000] = 98.906250844
    atomic_mass_map[440990000] = 98.905934082
    atomic_mass_map[450990000] = 98.908128239
    atomic_mass_map[460990000] = 98.911774806
    atomic_mass_map[470990000] = 98.917645768
    atomic_mass_map[480990000] = 98.924925848
    atomic_mass_map[490990000] = 98.93411
    atomic_mass_map[500990000] = 98.94853
    atomic_mass_map[361000000] = 99.96236999999999
    atomic_mass_map[371000000] = 99.95003
    atomic_mass_map[381000000] = 99.935769692
    atomic_mass_map[391000000] = 99.927714692
    atomic_mass_map[401000000] = 99.918000576
    atomic_mass_map[411000000] = 99.914327592
    atomic_mass_map[421000000] = 99.907471782
    atomic_mass_map[431000000] = 99.907653877
    atomic_mass_map[441000000] = 99.904214256
    atomic_mass_map[451000000] = 99.908117264
    atomic_mass_map[461000000] = 99.908504805
    atomic_mass_map[471000000] = 99.916115445
    atomic_mass_map[481000000] = 99.92034882
    atomic_mass_map[491000000] = 99.93095718000001
    atomic_mass_map[501000000] = 99.938504196
    atomic_mass_map[361010000] = 100.96873
    atomic_mass_map[371010000] = 100.954039
    atomic_mass_map[381010000] = 100.940351743
    atomic_mass_map[391010000] = 100.930147705
    atomic_mass_map[401010000] = 100.921447964
    atomic_mass_map[411010000] = 100.915310254
    atomic_mass_map[421010000] = 100.910341447
    atomic_mass_map[431010000] = 100.907309057
    atomic_mass_map[441010000] = 100.905576872
    atomic_mass_map[451010000] = 100.906160613
    atomic_mass_map[461010000] = 100.908286412
    atomic_mass_map[471010000] = 100.912683953
    atomic_mass_map[481010000] = 100.918586211
    atomic_mass_map[491010000] = 100.92634
    atomic_mass_map[501010000] = 100.935259244
    atomic_mass_map[371020000] = 101.95952
    atomic_mass_map[381020000] = 101.943790979
    atomic_mass_map[391020000] = 101.934327687
    atomic_mass_map[401020000] = 101.92314093
    atomic_mass_map[411020000] = 101.918077197
    atomic_mass_map[421020000] = 101.910283414
    atomic_mass_map[431020000] = 101.909209733
    atomic_mass_map[441020000] = 101.904344096
    atomic_mass_map[451020000] = 101.906837373
    atomic_mass_map[461020000] = 101.905602187
    atomic_mass_map[471020000] = 101.911704708
    atomic_mass_map[481020000] = 101.914481967
    atomic_mass_map[491020000] = 101.924107138
    atomic_mass_map[501020000] = 101.930290753
    atomic_mass_map[371030000] = 102.96392
    atomic_mass_map[381030000] = 102.94909
    atomic_mass_map[391030000] = 102.937243004
    atomic_mass_map[401030000] = 102.927190678
    atomic_mass_map[411030000] = 102.919457238
    atomic_mass_map[421030000] = 102.913078578
    atomic_mass_map[431030000] = 102.909176131
    atomic_mass_map[441030000] = 102.906318627
    atomic_mass_map[451030000] = 102.905497993
    atomic_mass_map[461030000] = 102.906080949
    atomic_mass_map[471030000] = 102.908963138
    atomic_mass_map[481030000] = 102.913416517
    atomic_mass_map[491030000] = 102.919881915
    atomic_mass_map[501030000] = 102.928105264
    atomic_mass_map[511030000] = 102.93969
    atomic_mass_map[381040000] = 103.95265
    atomic_mass_map[391040000] = 103.94196
    atomic_mass_map[401040000] = 103.929435691
    atomic_mass_map[411040000] = 103.922892491
    atomic_mass_map[421040000] = 103.913734373
    atomic_mass_map[431040000] = 103.911424888
    atomic_mass_map[441040000] = 103.905427481
    atomic_mass_map[451040000] = 103.90664922
    atomic_mass_map[461040000] = 103.90403054
    atomic_mass_map[471040000] = 103.908623864
    atomic_mass_map[481040000] = 103.909856386
    atomic_mass_map[491040000] = 103.918214541
    atomic_mass_map[501040000] = 103.923105204
    atomic_mass_map[511040000] = 103.936477804
    atomic_mass_map[381050000] = 104.95855
    atomic_mass_map[391050000] = 104.94544
    atomic_mass_map[401050000] = 104.934008204
    atomic_mass_map[411050000] = 104.924946471
    atomic_mass_map[421050000] = 104.916968617
    atomic_mass_map[431050000] = 104.911654883
    atomic_mass_map[441050000] = 104.907747645
    atomic_mass_map[451050000] = 104.905688549
    atomic_mass_map[461050000] = 104.905079626
    atomic_mass_map[471050000] = 104.906525615
    atomic_mass_map[481050000] = 104.909463896
    atomic_mass_map[491050000] = 104.914502325
    atomic_mass_map[501050000] = 104.921268429
    atomic_mass_map[511050000] = 104.931275897
    atomic_mass_map[521050000] = 104.943304508
    atomic_mass_map[381060000] = 105.962651
    atomic_mass_map[391060000] = 105.95056
    atomic_mass_map[401060000] = 105.93676
    atomic_mass_map[411060000] = 105.928931712
    atomic_mass_map[421060000] = 105.918259464
    atomic_mass_map[431060000] = 105.914357598
    atomic_mass_map[441060000] = 105.907329104
    atomic_mass_map[451060000] = 105.907286801
    atomic_mass_map[461060000] = 105.903480426
    atomic_mass_map[471060000] = 105.906663637
    atomic_mass_map[481060000] = 105.906459928
    atomic_mass_map[491060000] = 105.913463735
    atomic_mass_map[501060000] = 105.916957404
    atomic_mass_map[511060000] = 105.928637982
    atomic_mass_map[521060000] = 105.937499664
    atomic_mass_map[381070000] = 106.968975
    atomic_mass_map[391070000] = 106.95452
    atomic_mass_map[401070000] = 106.94174
    atomic_mass_map[411070000] = 106.931593654
    atomic_mass_map[421070000] = 106.922105877
    atomic_mass_map[431070000] = 106.915460645
    atomic_mass_map[441070000] = 106.909972045
    atomic_mass_map[451070000] = 106.906747811
    atomic_mass_map[461070000] = 106.905128195
    atomic_mass_map[471070000] = 106.905091611
    atomic_mass_map[481070000] = 106.906612122
    atomic_mass_map[491070000] = 106.910290084
    atomic_mass_map[501070000] = 106.915713652
    atomic_mass_map[511070000] = 106.924150641
    atomic_mass_map[521070000] = 106.935011573
    atomic_mass_map[531070000] = 106.94678
    atomic_mass_map[391080000] = 107.95996
    atomic_mass_map[401080000] = 107.94487
    atomic_mass_map[411080000] = 107.936074773
    atomic_mass_map[421080000] = 107.92403349
    atomic_mass_map[431080000] = 107.918495722
    atomic_mass_map[441080000] = 107.910188022
    atomic_mass_map[451080000] = 107.908714473
    atomic_mass_map[461080000] = 107.90389164
    atomic_mass_map[471080000] = 107.905950346
    atomic_mass_map[481080000] = 107.90418344
    atomic_mass_map[491080000] = 107.909693524
    atomic_mass_map[501080000] = 107.911894287
    atomic_mass_map[511080000] = 107.922226735
    atomic_mass_map[521080000] = 107.929380467
    atomic_mass_map[531080000] = 107.943481623
    atomic_mass_map[391090000] = 108.964358
    atomic_mass_map[401090000] = 108.95041
    atomic_mass_map[411090000] = 108.939216
    atomic_mass_map[421090000] = 108.92842416
    atomic_mass_map[431090000] = 108.920256356
    atomic_mass_map[441090000] = 108.913325956
    atomic_mass_map[451090000] = 108.908748821
    atomic_mass_map[461090000] = 108.905950406
    atomic_mass_map[471090000] = 108.904755282
    atomic_mass_map[481090000] = 108.904986653
    atomic_mass_map[491090000] = 108.907151381
    atomic_mass_map[501090000] = 108.91129206
    atomic_mass_map[511090000] = 108.918141122
    atomic_mass_map[521090000] = 108.927304534
    atomic_mass_map[531090000] = 108.938085287
    atomic_mass_map[541090000] = 108.950434864
    atomic_mass_map[401100000] = 109.95396
    atomic_mass_map[411100000] = 109.94403
    atomic_mass_map[421100000] = 109.930703673
    atomic_mass_map[431100000] = 109.923743534
    atomic_mass_map[441100000] = 109.914040696
    atomic_mass_map[451100000] = 109.911079429
    atomic_mass_map[461100000] = 109.905172199
    atomic_mass_map[471100000] = 109.906110226
    atomic_mass_map[481100000] = 109.903006606
    atomic_mass_map[491100000] = 109.90716981
    atomic_mass_map[501100000] = 109.907844835
    atomic_mass_map[511100000] = 109.916854287
    atomic_mass_map[521100000] = 109.922458091
    atomic_mass_map[531100000] = 109.935089034
    atomic_mass_map[541100000] = 109.944263102
    atomic_mass_map[401110000] = 110.959678
    atomic_mass_map[411110000] = 110.94753
    atomic_mass_map[421110000] = 110.935654257
    atomic_mass_map[431110000] = 110.925901257
    atomic_mass_map[441110000] = 110.917569857
    atomic_mass_map[451110000] = 110.91164231
    atomic_mass_map[461110000] = 110.907689679
    atomic_mass_map[471110000] = 110.905295923
    atomic_mass_map[481110000] = 110.904182872
    atomic_mass_map[491110000] = 110.905108458
    atomic_mass_map[501110000] = 110.907740127
    atomic_mass_map[511110000] = 110.913218189
    atomic_mass_map[521110000] = 110.921000589
    atomic_mass_map[531110000] = 110.930269214
    atomic_mass_map[541110000] = 110.941607206
    atomic_mass_map[401120000] = 111.963703
    atomic_mass_map[411120000] = 111.95247
    atomic_mass_map[421120000] = 111.93831
    atomic_mass_map[431120000] = 111.929945813
    atomic_mass_map[441120000] = 111.918809234
    atomic_mass_map[451120000] = 111.914403222
    atomic_mass_map[461120000] = 111.907329698
    atomic_mass_map[471120000] = 111.90704855
    atomic_mass_map[481120000] = 111.902762868
    atomic_mass_map[491120000] = 111.905537694
    atomic_mass_map[501120000] = 111.904823874
    atomic_mass_map[511120000] = 111.912399903
    atomic_mass_map[521120000] = 111.91672785
    atomic_mass_map[531120000] = 111.92800455
    atomic_mass_map[541120000] = 111.935558982
    atomic_mass_map[551120000] = 111.950308558
    atomic_mass_map[411130000] = 112.95651
    atomic_mass_map[421130000] = 112.94335
    atomic_mass_map[431130000] = 112.932569035
    atomic_mass_map[441130000] = 112.922843999
    atomic_mass_map[451130000] = 112.915439342
    atomic_mass_map[461130000] = 112.910261042
    atomic_mass_map[471130000] = 112.906572893
    atomic_mass_map[481130000] = 112.904408133
    atomic_mass_map[491130000] = 112.904061839
    atomic_mass_map[501130000] = 112.905175728
    atomic_mass_map[511130000] = 112.909374536
    atomic_mass_map[521130000] = 112.915891
    atomic_mass_map[531130000] = 112.923650064
    atomic_mass_map[541130000] = 112.93322165
    atomic_mass_map[551130000] = 112.944429144
    atomic_mass_map[411140000] = 113.96201
    atomic_mass_map[421140000] = 113.94653
    atomic_mass_map[431140000] = 113.93691
    atomic_mass_map[441140000] = 113.924613554
    atomic_mass_map[451140000] = 113.918718294
    atomic_mass_map[461140000] = 113.910368554
    atomic_mass_map[471140000] = 113.908823031
    atomic_mass_map[481140000] = 113.903365086
    atomic_mass_map[491140000] = 113.904917909
    atomic_mass_map[501140000] = 113.902782695
    atomic_mass_map[511140000] = 113.909290189
    atomic_mass_map[521140000] = 113.912089
    atomic_mass_map[531140000] = 113.92185
    atomic_mass_map[541140000] = 113.927980331
    atomic_mass_map[551140000] = 113.941296176
    atomic_mass_map[561140000] = 113.950660438
    atomic_mass_map[411150000] = 114.96634
    atomic_mass_map[421150000] = 114.95196
    atomic_mass_map[431150000] = 114.93998
    atomic_mass_map[441150000] = 114.928819898
    atomic_mass_map[451150000] = 114.920311589
    atomic_mass_map[461150000] = 114.913658506
    atomic_mass_map[471150000] = 114.908767355
    atomic_mass_map[481150000] = 114.905437513
    atomic_mass_map[491150000] = 114.903878776
    atomic_mass_map[501150000] = 114.903344699
    atomic_mass_map[511150000] = 114.906598
    atomic_mass_map[521150000] = 114.911902
    atomic_mass_map[531150000] = 114.918048
    atomic_mass_map[541150000] = 114.926293945
    atomic_mass_map[551150000] = 114.93591
    atomic_mass_map[561150000] = 114.94737
    atomic_mass_map[421160000] = 115.955448
    atomic_mass_map[431160000] = 115.94476
    atomic_mass_map[441160000] = 115.931219195
    atomic_mass_map[451160000] = 115.924058528
    atomic_mass_map[461160000] = 115.914296979
    atomic_mass_map[471160000] = 115.911386812
    atomic_mass_map[481160000] = 115.904763148
    atomic_mass_map[491160000] = 115.905259995
    atomic_mass_map[501160000] = 115.901742797
    atomic_mass_map[511160000] = 115.906793115
    atomic_mass_map[521160000] = 115.90846
    atomic_mass_map[531160000] = 115.916808658
    atomic_mass_map[541160000] = 115.921581112
    atomic_mass_map[551160000] = 115.933373
    atomic_mass_map[561160000] = 115.94128
    atomic_mass_map[571160000] = 115.956304
    atomic_mass_map[421170000] = 116.96117
    atomic_mass_map[431170000] = 116.94806
    atomic_mass_map[441170000] = 116.936103
    atomic_mass_map[451170000] = 116.926035391
    atomic_mass_map[461170000] = 116.917954721
    atomic_mass_map[471170000] = 116.911773934
    atomic_mass_map[481170000] = 116.907225956
    atomic_mass_map[491170000] = 116.904515678
    atomic_mass_map[501170000] = 116.902953983
    atomic_mass_map[511170000] = 116.904841508
    atomic_mass_map[521170000] = 116.908646298
    atomic_mass_map[531170000] = 116.913648312
    atomic_mass_map[541170000] = 116.920358761
    atomic_mass_map[551170000] = 116.928616726
    atomic_mass_map[561170000] = 116.93814057
    atomic_mass_map[571170000] = 116.949985
    atomic_mass_map[431180000] = 117.95299
    atomic_mass_map[441180000] = 117.93853
    atomic_mass_map[451180000] = 117.930340208
    atomic_mass_map[461180000] = 117.9190667
    atomic_mass_map[471180000] = 117.914595487
    atomic_mass_map[481180000] = 117.906921869
    atomic_mass_map[491180000] = 117.906356616
    atomic_mass_map[501180000] = 117.901606574
    atomic_mass_map[511180000] = 117.905532139
    atomic_mass_map[521180000] = 117.905853629
    atomic_mass_map[531180000] = 117.913074
    atomic_mass_map[541180000] = 117.91617868
    atomic_mass_map[551180000] = 117.926559519
    atomic_mass_map[561180000] = 117.93306
    atomic_mass_map[571180000] = 117.94673
    atomic_mass_map[431190000] = 118.95666
    atomic_mass_map[441190000] = 118.94357
    atomic_mass_map[451190000] = 118.932556954
    atomic_mass_map[461190000] = 118.923340223
    atomic_mass_map[471190000] = 118.915570287
    atomic_mass_map[481190000] = 118.909846851
    atomic_mass_map[491190000] = 118.905850708
    atomic_mass_map[501190000] = 118.903311172
    atomic_mass_map[511190000] = 118.903945471
    atomic_mass_map[521190000] = 118.906407108
    atomic_mass_map[531190000] = 118.910074
    atomic_mass_map[541190000] = 118.915410714
    atomic_mass_map[551190000] = 118.92237733
    atomic_mass_map[561190000] = 118.930659686
    atomic_mass_map[571190000] = 118.94099
    atomic_mass_map[581190000] = 118.95271
    atomic_mass_map[431200000] = 119.96187
    atomic_mass_map[441200000] = 119.94631
    atomic_mass_map[451200000] = 119.93686
    atomic_mass_map[461200000] = 119.924551089
    atomic_mass_map[471200000] = 119.918784768
    atomic_mass_map[481200000] = 119.909868068
    atomic_mass_map[491200000] = 119.907966567
    atomic_mass_map[501200000] = 119.902201634
    atomic_mass_map[511200000] = 119.905079385
    atomic_mass_map[521200000] = 119.9040593
    atomic_mass_map[531200000] = 119.910087251
    atomic_mass_map[541200000] = 119.91178427
    atomic_mass_map[551200000] = 119.920677279
    atomic_mass_map[561200000] = 119.926045
    atomic_mass_map[571200000] = 119.93807
    atomic_mass_map[581200000] = 119.94654
    atomic_mass_map[441210000] = 120.95164
    atomic_mass_map[451210000] = 120.93942
    atomic_mass_map[461210000] = 120.928950345
    atomic_mass_map[471210000] = 120.920125282
    atomic_mass_map[481210000] = 120.912963663
    atomic_mass_map[491210000] = 120.907851062
    atomic_mass_map[501210000] = 120.904242554
    atomic_mass_map[511210000] = 120.903811967
    atomic_mass_map[521210000] = 120.904943812
    atomic_mass_map[531210000] = 120.90740505
    atomic_mass_map[541210000] = 120.911453015
    atomic_mass_map[551210000] = 120.917227238
    atomic_mass_map[561210000] = 120.92405229
    atomic_mass_map[571210000] = 120.93315
    atomic_mass_map[581210000] = 120.94335
    atomic_mass_map[591210000] = 120.95532
    atomic_mass_map[441220000] = 121.95447
    atomic_mass_map[451220000] = 121.94399
    atomic_mass_map[461220000] = 121.930631696
    atomic_mass_map[471220000] = 121.923664449
    atomic_mass_map[481220000] = 121.913459053
    atomic_mass_map[491220000] = 121.910280738
    atomic_mass_map[501220000] = 121.903443774
    atomic_mass_map[511220000] = 121.905169948
    atomic_mass_map[521220000] = 121.903043455
    atomic_mass_map[531220000] = 121.907588841
    atomic_mass_map[541220000] = 121.908367658
    atomic_mass_map[551220000] = 121.916108146
    atomic_mass_map[561220000] = 121.919904
    atomic_mass_map[571220000] = 121.93071
    atomic_mass_map[581220000] = 121.93787
    atomic_mass_map[591220000] = 121.95175
    atomic_mass_map[441230000] = 122.95989
    atomic_mass_map[451230000] = 122.94685
    atomic_mass_map[461230000] = 122.93514
    atomic_mass_map[471230000] = 122.925337063
    atomic_mass_map[481230000] = 122.916892453
    atomic_mass_map[491230000] = 122.910433718
    atomic_mass_map[501230000] = 122.905725221
    atomic_mass_map[511230000] = 122.904213204
    atomic_mass_map[521230000] = 122.904269769
    atomic_mass_map[531230000] = 122.905588537
    atomic_mass_map[541230000] = 122.908481757
    atomic_mass_map[551230000] = 122.912996063
    atomic_mass_map[561230000] = 122.918781063
    atomic_mass_map[571230000] = 122.9263
    atomic_mass_map[581230000] = 122.93528
    atomic_mass_map[591230000] = 122.94596
    atomic_mass_map[441240000] = 123.96305
    atomic_mass_map[451240000] = 123.95151
    atomic_mass_map[461240000] = 123.93714
    atomic_mass_map[471240000] = 123.928931229
    atomic_mass_map[481240000] = 123.917657364
    atomic_mass_map[491240000] = 123.913182245
    atomic_mass_map[501240000] = 123.905276645
    atomic_mass_map[511240000] = 123.905934978
    atomic_mass_map[521240000] = 123.902817085
    atomic_mass_map[531240000] = 123.906209041
    atomic_mass_map[541240000] = 123.905891984
    atomic_mass_map[551240000] = 123.912257798
    atomic_mass_map[561240000] = 123.915093629
    atomic_mass_map[571240000] = 123.924574275
    atomic_mass_map[581240000] = 123.93031
    atomic_mass_map[591240000] = 123.94294
    atomic_mass_map[601240000] = 123.9522
    atomic_mass_map[451250000] = 124.95469
    atomic_mass_map[461250000] = 124.94179
    atomic_mass_map[471250000] = 124.931046
    atomic_mass_map[481250000] = 124.921257577
    atomic_mass_map[491250000] = 124.913604553
    atomic_mass_map[501250000] = 124.907786395
    atomic_mass_map[511250000] = 124.905253007
    atomic_mass_map[521250000] = 124.90442992
    atomic_mass_map[531250000] = 124.904629353
    atomic_mass_map[541250000] = 124.906394445
    atomic_mass_map[551250000] = 124.909727985
    atomic_mass_map[561250000] = 124.914471843
    atomic_mass_map[571250000] = 124.920815932
    atomic_mass_map[581250000] = 124.92844
    atomic_mass_map[591250000] = 124.9377
    atomic_mass_map[601250000] = 124.9489
    atomic_mass_map[451260000] = 125.95946
    atomic_mass_map[461260000] = 125.94416
    atomic_mass_map[471260000] = 125.93475
    atomic_mass_map[481260000] = 125.922429128
    atomic_mass_map[491260000] = 125.916507322
    atomic_mass_map[501260000] = 125.907658786
    atomic_mass_map[511260000] = 125.907252987
    atomic_mass_map[521260000] = 125.903310886
    atomic_mass_map[531260000] = 125.905623329
    atomic_mass_map[541260000] = 125.904298292
    atomic_mass_map[551260000] = 125.909446057
    atomic_mass_map[561260000] = 125.911250204
    atomic_mass_map[571260000] = 125.919512667
    atomic_mass_map[581260000] = 125.923971
    atomic_mass_map[591260000] = 125.93524
    atomic_mass_map[601260000] = 125.94311
    atomic_mass_map[611260000] = 125.95792
    atomic_mass_map[461270000] = 126.94907
    atomic_mass_map[471270000] = 126.93711
    atomic_mass_map[481270000] = 126.926472404
    atomic_mass_map[491270000] = 126.917446276
    atomic_mass_map[501270000] = 126.910389943
    atomic_mass_map[511270000] = 126.906924278
    atomic_mass_map[521270000] = 126.905225735
    atomic_mass_map[531270000] = 126.904471853
    atomic_mass_map[541270000] = 126.905182914
    atomic_mass_map[551270000] = 126.907417384
    atomic_mass_map[561270000] = 126.911091275
    atomic_mass_map[571270000] = 126.916375084
    atomic_mass_map[581270000] = 126.922727
    atomic_mass_map[591270000] = 126.93071
    atomic_mass_map[601270000] = 126.94038
    atomic_mass_map[611270000] = 126.95192
    atomic_mass_map[461280000] = 127.95183
    atomic_mass_map[471280000] = 127.94106
    atomic_mass_map[481280000] = 127.927812858
    atomic_mass_map[491280000] = 127.920401044
    atomic_mass_map[501280000] = 127.910507184
    atomic_mass_map[511280000] = 127.909145628
    atomic_mass_map[521280000] = 127.904461279
    atomic_mass_map[531280000] = 127.905808615
    atomic_mass_map[541280000] = 127.903531018
    atomic_mass_map[551280000] = 127.907748666
    atomic_mass_map[561280000] = 127.908341967
    atomic_mass_map[571280000] = 127.915592123
    atomic_mass_map[581280000] = 127.918911
    atomic_mass_map[591280000] = 127.928791
    atomic_mass_map[601280000] = 127.93525
    atomic_mass_map[611280000] = 127.9487
    atomic_mass_map[621280000] = 127.95842
    atomic_mass_map[471290000] = 128.94395
    atomic_mass_map[481290000] = 128.93182
    atomic_mass_map[491290000] = 128.921805301
    atomic_mass_map[501290000] = 128.913464711
    atomic_mass_map[511290000] = 128.909146665
    atomic_mass_map[521290000] = 128.90659646
    atomic_mass_map[531290000] = 128.904983669
    atomic_mass_map[541290000] = 128.90478086113
    atomic_mass_map[551290000] = 128.906065683
    atomic_mass_map[561290000] = 128.908680798
    atomic_mass_map[571290000] = 128.912694431
    atomic_mass_map[581290000] = 128.918102
    atomic_mass_map[591290000] = 128.925095
    atomic_mass_map[601290000] = 128.933102
    atomic_mass_map[611290000] = 128.94323
    atomic_mass_map[621290000] = 128.95476
    atomic_mass_map[471300000] = 129.950703
    atomic_mass_map[481300000] = 129.933940679
    atomic_mass_map[491300000] = 129.924976585
    atomic_mass_map[501300000] = 129.91397383
    atomic_mass_map[511300000] = 129.911662054
    atomic_mass_map[521300000] = 129.906222748
    atomic_mass_map[531300000] = 129.906670193
    atomic_mass_map[541300000] = 129.903509349
    atomic_mass_map[551300000] = 129.906709283
    atomic_mass_map[561300000] = 129.906320669
    atomic_mass_map[571300000] = 129.912369413
    atomic_mass_map[581300000] = 129.914736
    atomic_mass_map[591300000] = 129.92359
    atomic_mass_map[601300000] = 129.928506
    atomic_mass_map[611300000] = 129.94053
    atomic_mass_map[621300000] = 129.949
    atomic_mass_map[631300000] = 129.963689
    atomic_mass_map[481310000] = 130.9406
    atomic_mass_map[491310000] = 130.926971529
    atomic_mass_map[501310000] = 130.917044954
    atomic_mass_map[511310000] = 130.911988799
    atomic_mass_map[521310000] = 130.908522213
    atomic_mass_map[531310000] = 130.906126305
    atomic_mass_map[541310000] = 130.905084057
    atomic_mass_map[551310000] = 130.905464899
    atomic_mass_map[561310000] = 130.906940977
    atomic_mass_map[571310000] = 130.91007
    atomic_mass_map[581310000] = 130.914429465
    atomic_mass_map[591310000] = 130.92023496
    atomic_mass_map[601310000] = 130.92724802
    atomic_mass_map[611310000] = 130.93567
    atomic_mass_map[621310000] = 130.94618
    atomic_mass_map[631310000] = 130.957842
    atomic_mass_map[481320000] = 131.94604
    atomic_mass_map[491320000] = 131.933001273
    atomic_mass_map[501320000] = 131.917826725
    atomic_mass_map[511320000] = 131.914507691
    atomic_mass_map[521320000] = 131.908546716
    atomic_mass_map[531320000] = 131.907993514
    atomic_mass_map[541320000] = 131.90415508563
    atomic_mass_map[551320000] = 131.906433914
    atomic_mass_map[561320000] = 131.905061128
    atomic_mass_map[571320000] = 131.910118979
    atomic_mass_map[581320000] = 131.911463775
    atomic_mass_map[591320000] = 131.919255
    atomic_mass_map[601320000] = 131.923321237
    atomic_mass_map[611320000] = 131.93384
    atomic_mass_map[621320000] = 131.94087
    atomic_mass_map[631320000] = 131.95467
    atomic_mass_map[481330000] = 132.95285
    atomic_mass_map[491330000] = 132.93831
    atomic_mass_map[501330000] = 132.923913404
    atomic_mass_map[511330000] = 132.915273198
    atomic_mass_map[521330000] = 132.910968766
    atomic_mass_map[531330000] = 132.907796968
    atomic_mass_map[541330000] = 132.905910751
    atomic_mass_map[551330000] = 132.905451961
    atomic_mass_map[561330000] = 132.906007351
    atomic_mass_map[571330000] = 132.908218
    atomic_mass_map[581330000] = 132.911520402
    atomic_mass_map[591330000] = 132.916330561
    atomic_mass_map[601330000] = 132.922348
    atomic_mass_map[611330000] = 132.929782
    atomic_mass_map[621330000] = 132.93856
    atomic_mass_map[631330000] = 132.94929
    atomic_mass_map[641330000] = 132.96133
    atomic_mass_map[491340000] = 133.94454
    atomic_mass_map[501340000] = 133.928682064
    atomic_mass_map[511340000] = 133.920535676
    atomic_mass_map[521340000] = 133.911393959
    atomic_mass_map[531340000] = 133.909758836
    atomic_mass_map[541340000] = 133.905394664
    atomic_mass_map[551340000] = 133.906718503
    atomic_mass_map[561340000] = 133.904508182
    atomic_mass_map[571340000] = 133.908514011
    atomic_mass_map[581340000] = 133.908928142
    atomic_mass_map[591340000] = 133.915696729
    atomic_mass_map[601340000] = 133.91879021
    atomic_mass_map[611340000] = 133.928353
    atomic_mass_map[621340000] = 133.93411
    atomic_mass_map[631340000] = 133.9464
    atomic_mass_map[641340000] = 133.95566
    atomic_mass_map[491350000] = 134.95005
    atomic_mass_map[501350000] = 134.934908606
    atomic_mass_map[511350000] = 134.925185106
    atomic_mass_map[521350000] = 134.916555706
    atomic_mass_map[531350000] = 134.910048847
    atomic_mass_map[541350000] = 134.90722778
    atomic_mass_map[551350000] = 134.905977049
    atomic_mass_map[561350000] = 134.905688375
    atomic_mass_map[571350000] = 134.906984363
    atomic_mass_map[581350000] = 134.909160599
    atomic_mass_map[591350000] = 134.913111775
    atomic_mass_map[601350000] = 134.918181321
    atomic_mass_map[611350000] = 134.924823
    atomic_mass_map[621350000] = 134.93252
    atomic_mass_map[631350000] = 134.94187
    atomic_mass_map[641350000] = 134.95245
    atomic_mass_map[651350000] = 134.96476
    atomic_mass_map[501360000] = 135.93999
    atomic_mass_map[511360000] = 135.930745879
    atomic_mass_map[521360000] = 135.920100608
    atomic_mass_map[531360000] = 135.914604412
    atomic_mass_map[541360000] = 135.907214484
    atomic_mass_map[551360000] = 135.907311358
    atomic_mass_map[561360000] = 135.904575727
    atomic_mass_map[571360000] = 135.907634962
    atomic_mass_map[581360000] = 135.907129205
    atomic_mass_map[591360000] = 135.912677456
    atomic_mass_map[601360000] = 135.914976064
    atomic_mass_map[611360000] = 135.923584586
    atomic_mass_map[621360000] = 135.928275556
    atomic_mass_map[631360000] = 135.93962
    atomic_mass_map[641360000] = 135.9473
    atomic_mass_map[651360000] = 135.96129
    atomic_mass_map[501370000] = 136.94655
    atomic_mass_map[511370000] = 136.935555
    atomic_mass_map[521370000] = 136.925598852
    atomic_mass_map[531370000] = 136.918028188
    atomic_mass_map[541370000] = 136.911557781
    atomic_mass_map[551370000] = 136.907089231
    atomic_mass_map[561370000] = 136.905827141
    atomic_mass_map[571370000] = 136.906450385
    atomic_mass_map[581370000] = 136.907762364
    atomic_mass_map[591370000] = 136.91067915
    atomic_mass_map[601370000] = 136.914562448
    atomic_mass_map[611370000] = 136.920479523
    atomic_mass_map[621370000] = 136.926970517
    atomic_mass_map[631370000] = 136.93546
    atomic_mass_map[641370000] = 136.94502
    atomic_mass_map[651370000] = 136.95602
    atomic_mass_map[501380000] = 137.95184
    atomic_mass_map[511380000] = 137.94145
    atomic_mass_map[521380000] = 137.929472226
    atomic_mass_map[531380000] = 137.922726402
    atomic_mass_map[541380000] = 137.914146273
    atomic_mass_map[551380000] = 137.911017089
    atomic_mass_map[561380000] = 137.905246995
    atomic_mass_map[571380000] = 137.907114919
    atomic_mass_map[581380000] = 137.905991089
    atomic_mass_map[591380000] = 137.910754405
    atomic_mass_map[601380000] = 137.911949718
    atomic_mass_map[611380000] = 137.919548077
    atomic_mass_map[621380000] = 137.923243991
    atomic_mass_map[631380000] = 137.933709
    atomic_mass_map[641380000] = 137.94025
    atomic_mass_map[651380000] = 137.95312
    atomic_mass_map[661380000] = 137.9625
    atomic_mass_map[511390000] = 138.94655
    atomic_mass_map[521390000] = 138.935367194
    atomic_mass_map[531390000] = 138.926506206
    atomic_mass_map[541390000] = 138.918792203
    atomic_mass_map[551390000] = 138.913363758
    atomic_mass_map[561390000] = 138.908841099
    atomic_mass_map[571390000] = 138.906356256
    atomic_mass_map[581390000] = 138.906655111
    atomic_mass_map[591390000] = 138.908940762
    atomic_mass_map[601390000] = 138.911953649
    atomic_mass_map[611390000] = 138.91679967
    atomic_mass_map[621390000] = 138.922296635
    atomic_mass_map[631390000] = 138.92979231
    atomic_mass_map[641390000] = 138.93813
    atomic_mass_map[651390000] = 138.94833
    atomic_mass_map[661390000] = 138.95959
    atomic_mass_map[511400000] = 139.95283
    atomic_mass_map[521400000] = 139.939498567
    atomic_mass_map[531400000] = 139.931727
    atomic_mass_map[541400000] = 139.921645817
    atomic_mass_map[551400000] = 139.917283063
    atomic_mass_map[561400000] = 139.91060573
    atomic_mass_map[571400000] = 139.909480635
    atomic_mass_map[581400000] = 139.905443107
    atomic_mass_map[591400000] = 139.909080275
    atomic_mass_map[601400000] = 139.909549849
    atomic_mass_map[611400000] = 139.916039639
    atomic_mass_map[621400000] = 139.918994717
    atomic_mass_map[631400000] = 139.928087637
    atomic_mass_map[641400000] = 139.933674
    atomic_mass_map[651400000] = 139.945805049
    atomic_mass_map[661400000] = 139.95402
    atomic_mass_map[671400000] = 139.968589
    atomic_mass_map[521410000] = 140.9458
    atomic_mass_map[531410000] = 140.93569
    atomic_mass_map[541410000] = 140.926787184
    atomic_mass_map[551410000] = 140.920045491
    atomic_mass_map[561410000] = 140.914403333
    atomic_mass_map[571410000] = 140.91096603
    atomic_mass_map[581410000] = 140.908280674
    atomic_mass_map[591410000] = 140.907657568
    atomic_mass_map[601410000] = 140.909614653
    atomic_mass_map[611410000] = 140.913555084
    atomic_mass_map[621410000] = 140.918481636
    atomic_mass_map[631410000] = 140.924931754
    atomic_mass_map[641410000] = 140.932126
    atomic_mass_map[651410000] = 140.941448
    atomic_mass_map[661410000] = 140.95128
    atomic_mass_map[671410000] = 140.963108
    atomic_mass_map[521420000] = 141.95022
    atomic_mass_map[531420000] = 141.941202
    atomic_mass_map[541420000] = 141.929973098
    atomic_mass_map[551420000] = 141.924295991
    atomic_mass_map[561420000] = 141.916432382
    atomic_mass_map[571420000] = 141.91409089
    atomic_mass_map[581420000] = 141.909250375
    atomic_mass_map[591420000] = 141.910049607
    atomic_mass_map[601420000] = 141.907728996
    atomic_mass_map[611420000] = 141.912890411
    atomic_mass_map[621420000] = 141.915204385
    atomic_mass_map[631420000] = 141.92344169
    atomic_mass_map[641420000] = 141.928116
    atomic_mass_map[651420000] = 141.939280859
    atomic_mass_map[661420000] = 141.946194
    atomic_mass_map[671420000] = 141.96001
    atomic_mass_map[681420000] = 141.9701
    atomic_mass_map[521430000] = 142.95676
    atomic_mass_map[531430000] = 142.94565
    atomic_mass_map[541430000] = 142.935369554
    atomic_mass_map[551430000] = 142.927349327
    atomic_mass_map[561430000] = 142.920625293
    atomic_mass_map[571430000] = 142.916079512
    atomic_mass_map[581430000] = 142.91239212
    atomic_mass_map[591430000] = 142.910822796
    atomic_mass_map[601430000] = 142.909819989
    atomic_mass_map[611430000] = 142.910938262
    atomic_mass_map[621430000] = 142.914635303
    atomic_mass_map[631430000] = 142.920298681
    atomic_mass_map[641430000] = 142.926750682
    atomic_mass_map[651430000] = 142.935137335
    atomic_mass_map[661430000] = 142.943994335
    atomic_mass_map[671430000] = 142.95486
    atomic_mass_map[681430000] = 142.96662
    atomic_mass_map[531440000] = 143.95139
    atomic_mass_map[541440000] = 143.938945079
    atomic_mass_map[551440000] = 143.932076313
    atomic_mass_map[561440000] = 143.922954866
    atomic_mass_map[571440000] = 143.919645589
    atomic_mass_map[581440000] = 143.913652939
    atomic_mass_map[591440000] = 143.913310859
    atomic_mass_map[601440000] = 143.910092974
    atomic_mass_map[611440000] = 143.912596396
    atomic_mass_map[621440000] = 143.912006466
    atomic_mass_map[631440000] = 143.918819553
    atomic_mass_map[641440000] = 143.922963
    atomic_mass_map[651440000] = 143.933045
    atomic_mass_map[661440000] = 143.939269515
    atomic_mass_map[671440000] = 143.952109715
    atomic_mass_map[681440000] = 143.9607
    atomic_mass_map[691440000] = 143.976283
    atomic_mass_map[531450000] = 144.95605
    atomic_mass_map[541450000] = 144.944719634
    atomic_mass_map[551450000] = 144.935527435
    atomic_mass_map[561450000] = 144.9275184
    atomic_mass_map[571450000] = 144.921808068
    atomic_mass_map[581450000] = 144.917265228
    atomic_mass_map[591450000] = 144.914518156
    atomic_mass_map[601450000] = 144.912579322
    atomic_mass_map[611450000] = 144.912755935
    atomic_mass_map[621450000] = 144.913417339
    atomic_mass_map[631450000] = 144.916272629
    atomic_mass_map[641450000] = 144.921712821
    atomic_mass_map[651450000] = 144.928821947
    atomic_mass_map[661450000] = 144.937473995
    atomic_mass_map[671450000] = 144.947267395
    atomic_mass_map[681450000] = 144.95805
    atomic_mass_map[691450000] = 144.970389
    atomic_mass_map[541460000] = 145.948518249
    atomic_mass_map[551460000] = 145.940344271
    atomic_mass_map[561460000] = 145.930283712
    atomic_mass_map[571460000] = 145.925875174
    atomic_mass_map[581460000] = 145.918802412
    atomic_mass_map[591460000] = 145.91767985
    atomic_mass_map[601460000] = 145.913122628
    atomic_mass_map[611460000] = 145.914702396
    atomic_mass_map[621460000] = 145.913046991
    atomic_mass_map[631460000] = 145.917211039
    atomic_mass_map[641460000] = 145.918318817
    atomic_mass_map[651460000] = 145.927252984
    atomic_mass_map[661460000] = 145.93284453
    atomic_mass_map[671460000] = 145.944993506
    atomic_mass_map[681460000] = 145.95241836
    atomic_mass_map[691460000] = 145.966837
    atomic_mass_map[541470000] = 146.95426
    atomic_mass_map[551470000] = 146.944156156
    atomic_mass_map[561470000] = 146.9353039
    atomic_mass_map[571470000] = 146.9284178
    atomic_mass_map[581470000] = 146.922689913
    atomic_mass_map[591470000] = 146.919007518
    atomic_mass_map[601470000] = 146.916106136
    atomic_mass_map[611470000] = 146.915144988
    atomic_mass_map[621470000] = 146.914904435
    atomic_mass_map[631470000] = 146.916752659
    atomic_mass_map[641470000] = 146.919101384
    atomic_mass_map[651470000] = 146.924054788
    atomic_mass_map[661470000] = 146.931082715
    atomic_mass_map[671470000] = 146.940142296
    atomic_mass_map[681470000] = 146.949964459
    atomic_mass_map[691470000] = 146.961379891
    atomic_mass_map[541480000] = 147.95813
    atomic_mass_map[551480000] = 147.949225137
    atomic_mass_map[561480000] = 147.938170578
    atomic_mass_map[571480000] = 147.9326794
    atomic_mass_map[581480000] = 147.924424225
    atomic_mass_map[591480000] = 147.922130083
    atomic_mass_map[601480000] = 147.916899294
    atomic_mass_map[611480000] = 147.917481945
    atomic_mass_map[621480000] = 147.914829226
    atomic_mass_map[631480000] = 147.918089243
    atomic_mass_map[641480000] = 147.918121511
    atomic_mass_map[651480000] = 147.924281552
    atomic_mass_map[661480000] = 147.927156571
    atomic_mass_map[671480000] = 147.937743928
    atomic_mass_map[681480000] = 147.944735029
    atomic_mass_map[691480000] = 147.958384029
    atomic_mass_map[701480000] = 147.96758
    atomic_mass_map[551490000] = 148.95302
    atomic_mass_map[561490000] = 148.94308
    atomic_mass_map[571490000] = 148.93535126
    atomic_mass_map[581490000] = 148.9284269
    atomic_mass_map[591490000] = 148.9237361
    atomic_mass_map[601490000] = 148.920154849
    atomic_mass_map[611490000] = 148.918342277
    atomic_mass_map[621490000] = 148.917192062
    atomic_mass_map[631490000] = 148.917937763
    atomic_mass_map[641490000] = 148.919348117
    atomic_mass_map[651490000] = 148.923253549
    atomic_mass_map[661490000] = 148.927321692
    atomic_mass_map[671490000] = 148.933802646
    atomic_mass_map[681490000] = 148.942306
    atomic_mass_map[691490000] = 148.95289
    atomic_mass_map[701490000] = 148.96436
    atomic_mass_map[551500000] = 149.95833
    atomic_mass_map[561500000] = 149.94605
    atomic_mass_map[571500000] = 149.93947
    atomic_mass_map[581500000] = 149.93038404200001
    atomic_mass_map[591500000] = 149.926676502
    atomic_mass_map[601500000] = 149.920902249
    atomic_mass_map[611500000] = 149.920990941
    atomic_mass_map[621500000] = 149.917282919
    atomic_mass_map[631500000] = 149.919707671
    atomic_mass_map[641500000] = 149.918664422
    atomic_mass_map[651500000] = 149.923664941
    atomic_mass_map[661500000] = 149.925593264
    atomic_mass_map[671500000] = 149.933498408
    atomic_mass_map[681500000] = 149.937915567
    atomic_mass_map[691500000] = 149.95009
    atomic_mass_map[701500000] = 149.95852
    atomic_mass_map[711500000] = 149.973548
    atomic_mass_map[551510000] = 150.96258
    atomic_mass_map[561510000] = 150.95127
    atomic_mass_map[571510000] = 150.94232
    atomic_mass_map[581510000] = 150.9342722
    atomic_mass_map[591510000] = 150.928309285
    atomic_mass_map[601510000] = 150.923840289
    atomic_mass_map[611510000] = 150.921217539
    atomic_mass_map[621510000] = 150.919939796
    atomic_mass_map[631510000] = 150.919857803
    atomic_mass_map[641510000] = 150.92035595
    atomic_mass_map[651510000] = 150.923109599
    atomic_mass_map[661510000] = 150.926191564
    atomic_mass_map[671510000] = 150.931698345
    atomic_mass_map[681510000] = 150.937448567
    atomic_mass_map[691510000] = 150.945487875
    atomic_mass_map[701510000] = 150.955402497
    atomic_mass_map[711510000] = 150.967677
    atomic_mass_map[561520000] = 151.95481
    atomic_mass_map[571520000] = 151.94682
    atomic_mass_map[581520000] = 151.9366
    atomic_mass_map[591520000] = 151.9315529
    atomic_mass_map[601520000] = 151.924692216
    atomic_mass_map[611520000] = 151.923506181
    atomic_mass_map[621520000] = 151.919739721
    atomic_mass_map[631520000] = 151.921752184
    atomic_mass_map[641520000] = 151.919799494
    atomic_mass_map[651520000] = 151.924082936
    atomic_mass_map[661520000] = 151.924725286
    atomic_mass_map[671520000] = 151.931723623
    atomic_mass_map[681520000] = 151.935057085
    atomic_mass_map[691520000] = 151.944422
    atomic_mass_map[701520000] = 151.9502727
    atomic_mass_map[711520000] = 151.96412
    atomic_mass_map[561530000] = 152.96036
    atomic_mass_map[571530000] = 152.95036
    atomic_mass_map[581530000] = 152.94093
    atomic_mass_map[591530000] = 152.933903539
    atomic_mass_map[601530000] = 152.927717978
    atomic_mass_map[611530000] = 152.924156686
    atomic_mass_map[621530000] = 152.92210465
    atomic_mass_map[631530000] = 152.921238003
    atomic_mass_map[641530000] = 152.921758027
    atomic_mass_map[651530000] = 152.923442403
    atomic_mass_map[661530000] = 152.925772378
    atomic_mass_map[671530000] = 152.930206429
    atomic_mass_map[681530000] = 152.93508044
    atomic_mass_map[691530000] = 152.942040101
    atomic_mass_map[701530000] = 152.94932
    atomic_mass_map[711530000] = 152.958751054
    atomic_mass_map[721530000] = 152.97069
    atomic_mass_map[571540000] = 153.95517
    atomic_mass_map[581540000] = 153.9438
    atomic_mass_map[591540000] = 153.937525741
    atomic_mass_map[601540000] = 153.929484894
    atomic_mass_map[611540000] = 153.926471531
    atomic_mass_map[621540000] = 153.922216861
    atomic_mass_map[631540000] = 153.922986962
    atomic_mass_map[641540000] = 153.92087406
    atomic_mass_map[651540000] = 153.924684767
    atomic_mass_map[661540000] = 153.924429277
    atomic_mass_map[671540000] = 153.930606834
    atomic_mass_map[681540000] = 153.932790842
    atomic_mass_map[691540000] = 153.941570033
    atomic_mass_map[701540000] = 153.946395655
    atomic_mass_map[711540000] = 153.957364
    atomic_mass_map[721540000] = 153.96486
    atomic_mass_map[571550000] = 154.95901
    atomic_mass_map[581550000] = 154.94855
    atomic_mass_map[591550000] = 154.940509281
    atomic_mass_map[601550000] = 154.933135691
    atomic_mass_map[611550000] = 154.928137048
    atomic_mass_map[621550000] = 154.924647748
    atomic_mass_map[631550000] = 154.922901107
    atomic_mass_map[641550000] = 154.922630473
    atomic_mass_map[651550000] = 154.923510547
    atomic_mass_map[661550000] = 154.925759086
    atomic_mass_map[671550000] = 154.929104049
    atomic_mass_map[681550000] = 154.933215911
    atomic_mass_map[691550000] = 154.93920966
    atomic_mass_map[701550000] = 154.945783132
    atomic_mass_map[711550000] = 154.9543206
    atomic_mass_map[721550000] = 154.96311
    atomic_mass_map[731550000] = 154.974245
    atomic_mass_map[581560000] = 155.95183
    atomic_mass_map[591560000] = 155.94464
    atomic_mass_map[601560000] = 155.935078894
    atomic_mass_map[611560000] = 155.931117516
    atomic_mass_map[621560000] = 155.925536067
    atomic_mass_map[631560000] = 155.924760494
    atomic_mass_map[641560000] = 155.922131241
    atomic_mass_map[651560000] = 155.924755181
    atomic_mass_map[661560000] = 155.924284713
    atomic_mass_map[671560000] = 155.929706112
    atomic_mass_map[681560000] = 155.931067313
    atomic_mass_map[691560000] = 155.938991573
    atomic_mass_map[701560000] = 155.942824698
    atomic_mass_map[711560000] = 155.953032522
    atomic_mass_map[721560000] = 155.959347805
    atomic_mass_map[731560000] = 155.97203
    atomic_mass_map[581570000] = 156.95705
    atomic_mass_map[591570000] = 156.94789
    atomic_mass_map[601570000] = 156.939386061
    atomic_mass_map[611570000] = 156.933121393
    atomic_mass_map[621570000] = 156.928418698
    atomic_mass_map[631570000] = 156.925433446
    atomic_mass_map[641570000] = 156.923968569
    atomic_mass_map[651570000] = 156.924033028
    atomic_mass_map[661570000] = 156.92547066
    atomic_mass_map[671570000] = 156.928254427
    atomic_mass_map[681570000] = 156.931948658
    atomic_mass_map[691570000] = 156.93694412
    atomic_mass_map[701570000] = 156.942645349
    atomic_mass_map[711570000] = 156.950126667
    atomic_mass_map[721570000] = 156.958236
    atomic_mass_map[731570000] = 156.968176167
    atomic_mass_map[741570000] = 156.97884
    atomic_mass_map[591580000] = 157.95241
    atomic_mass_map[601580000] = 157.94197
    atomic_mass_map[611580000] = 157.936565144
    atomic_mass_map[621580000] = 157.929951004
    atomic_mass_map[631580000] = 157.927798606
    atomic_mass_map[641580000] = 157.924112348
    atomic_mass_map[651580000] = 157.925420947
    atomic_mass_map[661580000] = 157.924415875
    atomic_mass_map[671580000] = 157.928945969
    atomic_mass_map[681580000] = 157.929893474
    atomic_mass_map[691580000] = 157.936979525
    atomic_mass_map[701580000] = 157.939870549
    atomic_mass_map[711580000] = 157.949315507
    atomic_mass_map[721580000] = 157.954801092
    atomic_mass_map[731580000] = 157.966541
    atomic_mass_map[741580000] = 157.974562
    atomic_mass_map[591590000] = 158.95589
    atomic_mass_map[601590000] = 158.94653
    atomic_mass_map[611590000] = 158.939286502
    atomic_mass_map[621590000] = 158.933217226
    atomic_mass_map[631590000] = 158.929100067
    atomic_mass_map[641590000] = 158.926396969
    atomic_mass_map[651590000] = 158.92535471
    atomic_mass_map[661590000] = 158.925746958
    atomic_mass_map[671590000] = 158.927719703
    atomic_mass_map[681590000] = 158.93069181
    atomic_mass_map[691590000] = 158.934975
    atomic_mass_map[701590000] = 158.940054623
    atomic_mass_map[711590000] = 158.946635615
    atomic_mass_map[721590000] = 158.953995669
    atomic_mass_map[731590000] = 158.963022556
    atomic_mass_map[741590000] = 158.972638
    atomic_mass_map[751590000] = 158.984179
    atomic_mass_map[601600000] = 159.9494
    atomic_mass_map[611600000] = 159.9431
    atomic_mass_map[621600000] = 159.935335311
    atomic_mass_map[631600000] = 159.931850939
    atomic_mass_map[641600000] = 159.927062411
    atomic_mass_map[651600000] = 159.927175556
    atomic_mass_map[661600000] = 159.925204646
    atomic_mass_map[671600000] = 159.928736606
    atomic_mass_map[681600000] = 159.92907713
    atomic_mass_map[691600000] = 159.935263106
    atomic_mass_map[701600000] = 159.937557406
    atomic_mass_map[711600000] = 159.946033
    atomic_mass_map[721600000] = 159.950690749
    atomic_mass_map[731600000] = 159.96148751
    atomic_mass_map[741600000] = 159.968462584
    atomic_mass_map[751600000] = 159.981823
    atomic_mass_map[601610000] = 160.95428
    atomic_mass_map[611610000] = 160.94607
    atomic_mass_map[621610000] = 160.93916017
    atomic_mass_map[631610000] = 160.933664091
    atomic_mass_map[641610000] = 160.929677476
    atomic_mass_map[651610000] = 160.927577825
    atomic_mass_map[661610000] = 160.926940492
    atomic_mass_map[671610000] = 160.927861547
    atomic_mass_map[681610000] = 160.930004599
    atomic_mass_map[691610000] = 160.933549
    atomic_mass_map[701610000] = 160.937907138
    atomic_mass_map[711610000] = 160.943572
    atomic_mass_map[721610000] = 160.95027837
    atomic_mass_map[731610000] = 160.958452265
    atomic_mass_map[741610000] = 160.967197
    atomic_mass_map[751610000] = 160.977572951
    atomic_mass_map[761610000] = 160.989029
    atomic_mass_map[611620000] = 161.95022
    atomic_mass_map[621620000] = 161.94146
    atomic_mass_map[631620000] = 161.936988761
    atomic_mass_map[641620000] = 161.930993017
    atomic_mass_map[651620000] = 161.92949536
    atomic_mass_map[661620000] = 161.926805573
    atomic_mass_map[671620000] = 161.929102274
    atomic_mass_map[681620000] = 161.928788364
    atomic_mass_map[691620000] = 161.934002277
    atomic_mass_map[701620000] = 161.935773604
    atomic_mass_map[711620000] = 161.943282776
    atomic_mass_map[721620000] = 161.947214837
    atomic_mass_map[731620000] = 161.957294083
    atomic_mass_map[741620000] = 161.963499142
    atomic_mass_map[751620000] = 161.975844
    atomic_mass_map[761620000] = 161.984431
    atomic_mass_map[611630000] = 162.95357
    atomic_mass_map[621630000] = 162.94555
    atomic_mass_map[631630000] = 162.939195675
    atomic_mass_map[641630000] = 162.934176855
    atomic_mass_map[651630000] = 162.930654659
    atomic_mass_map[661630000] = 162.928738284
    atomic_mass_map[671630000] = 162.928741027
    atomic_mass_map[681630000] = 162.930040797
    atomic_mass_map[691630000] = 162.932659172
    atomic_mass_map[701630000] = 162.936339632
    atomic_mass_map[711630000] = 162.941179
    atomic_mass_map[721630000] = 162.947112946
    atomic_mass_map[731630000] = 162.95433711
    atomic_mass_map[741630000] = 162.962524342
    atomic_mass_map[751630000] = 162.97207986
    atomic_mass_map[761630000] = 162.98241
    atomic_mass_map[621640000] = 163.94836
    atomic_mass_map[631640000] = 163.942744
    atomic_mass_map[641640000] = 163.93583
    atomic_mass_map[651640000] = 163.933357961
    atomic_mass_map[661640000] = 163.929181874
    atomic_mass_map[671640000] = 163.930240273
    atomic_mass_map[681640000] = 163.929208791
    atomic_mass_map[691640000] = 163.933543614
    atomic_mass_map[701640000] = 163.93449493399999
    atomic_mass_map[711640000] = 163.941339
    atomic_mass_map[721640000] = 163.944370845
    atomic_mass_map[731640000] = 163.953534
    atomic_mass_map[741640000] = 163.958960683
    atomic_mass_map[751640000] = 163.97045287
    atomic_mass_map[761640000] = 163.978021712
    atomic_mass_map[771640000] = 163.991909
    atomic_mass_map[621650000] = 164.95297
    atomic_mass_map[631650000] = 164.945587
    atomic_mass_map[641650000] = 164.93936
    atomic_mass_map[651650000] = 164.93498
    atomic_mass_map[661650000] = 164.931710456
    atomic_mass_map[671650000] = 164.930328835
    atomic_mass_map[681650000] = 164.930734496
    atomic_mass_map[691650000] = 164.93244314
    atomic_mass_map[701650000] = 164.935270241
    atomic_mass_map[711650000] = 164.939406758
    atomic_mass_map[721650000] = 164.944567
    atomic_mass_map[731650000] = 164.950780572
    atomic_mass_map[741650000] = 164.958280788
    atomic_mass_map[751650000] = 164.96710266
    atomic_mass_map[761650000] = 164.976602
    atomic_mass_map[771650000] = 164.987501
    atomic_mass_map[631660000] = 165.94962
    atomic_mass_map[641660000] = 165.94146
    atomic_mass_map[651660000] = 165.937859521
    atomic_mass_map[661660000] = 165.932813863
    atomic_mass_map[671660000] = 165.932290927
    atomic_mass_map[681660000] = 165.93029953
    atomic_mass_map[691660000] = 165.9335606
    atomic_mass_map[701660000] = 165.933874749
    atomic_mass_map[711660000] = 165.939859
    atomic_mass_map[721660000] = 165.94218
    atomic_mass_map[731660000] = 165.950512
    atomic_mass_map[741660000] = 165.95503121
    atomic_mass_map[751660000] = 165.965760821
    atomic_mass_map[761660000] = 165.972692476
    atomic_mass_map[771660000] = 165.985664
    atomic_mass_map[781660000] = 165.994855
    atomic_mass_map[631670000] = 166.95289
    atomic_mass_map[641670000] = 166.94545
    atomic_mass_map[651670000] = 166.93996
    atomic_mass_map[661670000] = 166.935661379
    atomic_mass_map[671670000] = 166.93313855
    atomic_mass_map[681670000] = 166.932054617
    atomic_mass_map[691670000] = 166.932856192
    atomic_mass_map[701670000] = 166.934952988
    atomic_mass_map[711670000] = 166.93827
    atomic_mass_map[721670000] = 166.9426
    atomic_mass_map[731670000] = 166.948093
    atomic_mass_map[741670000] = 166.95480456
    atomic_mass_map[751670000] = 166.962595
    atomic_mass_map[761670000] = 166.971548768
    atomic_mass_map[771670000] = 166.981666315
    atomic_mass_map[781670000] = 166.992695
    atomic_mass_map[641680000] = 167.94808
    atomic_mass_map[651680000] = 167.9434
    atomic_mass_map[661680000] = 167.937133273
    atomic_mass_map[671680000] = 167.935522173
    atomic_mass_map[681680000] = 167.932376688
    atomic_mass_map[691680000] = 167.934177409
    atomic_mass_map[701680000] = 167.933889602
    atomic_mass_map[711680000] = 167.938735635
    atomic_mass_map[721680000] = 167.940568
    atomic_mass_map[731680000] = 167.948047
    atomic_mass_map[741680000] = 167.951805537
    atomic_mass_map[751680000] = 167.961572608
    atomic_mass_map[761680000] = 167.967807751
    atomic_mass_map[771680000] = 167.979906642
    atomic_mass_map[781680000] = 167.988128665
    atomic_mass_map[641690000] = 168.9526
    atomic_mass_map[651690000] = 168.94597
    atomic_mass_map[661690000] = 168.940313531
    atomic_mass_map[671690000] = 168.936878189
    atomic_mass_map[681690000] = 168.93459685
    atomic_mass_map[691690000] = 168.934217889
    atomic_mass_map[701690000] = 168.935182512
    atomic_mass_map[711690000] = 168.937644149
    atomic_mass_map[721690000] = 168.941259
    atomic_mass_map[731690000] = 168.946011
    atomic_mass_map[741690000] = 168.951778845
    atomic_mass_map[751690000] = 168.958766063
    atomic_mass_map[761690000] = 168.967017574
    atomic_mass_map[771690000] = 168.976298488
    atomic_mass_map[781690000] = 168.986567
    atomic_mass_map[791690000] = 168.99808
    atomic_mass_map[651700000] = 169.94984
    atomic_mass_map[661700000] = 169.94239
    atomic_mass_map[671700000] = 169.939624846
    atomic_mass_map[681700000] = 169.93547023
    atomic_mass_map[691700000] = 169.935806032
    atomic_mass_map[701700000] = 169.934766376
    atomic_mass_map[711700000] = 169.938478365
    atomic_mass_map[721700000] = 169.939609
    atomic_mass_map[731700000] = 169.946175
    atomic_mass_map[741700000] = 169.949231588
    atomic_mass_map[751700000] = 169.958220071
    atomic_mass_map[761700000] = 169.963578454
    atomic_mass_map[771700000] = 169.974922
    atomic_mass_map[781700000] = 169.982496345
    atomic_mass_map[791700000] = 169.995972
    atomic_mass_map[651710000] = 170.95273
    atomic_mass_map[661710000] = 170.94612
    atomic_mass_map[671710000] = 170.941471022
    atomic_mass_map[681710000] = 170.938035681
    atomic_mass_map[691710000] = 170.936433871
    atomic_mass_map[701710000] = 170.936330208
    atomic_mass_map[711710000] = 170.93791696
    atomic_mass_map[721710000] = 170.940492
    atomic_mass_map[731710000] = 170.944476
    atomic_mass_map[741710000] = 170.949451
    atomic_mass_map[751710000] = 170.955716
    atomic_mass_map[761710000] = 170.963173969
    atomic_mass_map[771710000] = 170.971640252
    atomic_mass_map[781710000] = 170.981245248
    atomic_mass_map[791710000] = 170.991875791
    atomic_mass_map[801710000] = 171.003529
    atomic_mass_map[661720000] = 171.94846
    atomic_mass_map[671720000] = 171.94473
    atomic_mass_map[681720000] = 171.939361858
    atomic_mass_map[691720000] = 171.938405521
    atomic_mass_map[701720000] = 171.936385872
    atomic_mass_map[711720000] = 171.939089103
    atomic_mass_map[721720000] = 171.939449716
    atomic_mass_map[731720000] = 171.944895
    atomic_mass_map[741720000] = 171.947292
    atomic_mass_map[751720000] = 171.955419665
    atomic_mass_map[761720000] = 171.960017317
    atomic_mass_map[771720000] = 171.970607036
    atomic_mass_map[781720000] = 171.977350921
    atomic_mass_map[791720000] = 171.989942284
    atomic_mass_map[801720000] = 171.998808967
    atomic_mass_map[661730000] = 172.95283
    atomic_mass_map[671730000] = 172.94702
    atomic_mass_map[681730000] = 172.9424
    atomic_mass_map[691730000] = 172.939608371
    atomic_mass_map[701730000] = 172.938215136
    atomic_mass_map[711730000] = 172.938934029
    atomic_mass_map[721730000] = 172.940513
    atomic_mass_map[731730000] = 172.94375
    atomic_mass_map[741730000] = 172.947689
    atomic_mass_map[751730000] = 172.953243
    atomic_mass_map[761730000] = 172.959808465
    atomic_mass_map[771730000] = 172.967505636
    atomic_mass_map[781730000] = 172.976443058
    atomic_mass_map[791730000] = 172.986240924
    atomic_mass_map[801730000] = 172.997091
    atomic_mass_map[671740000] = 173.95095
    atomic_mass_map[681740000] = 173.94423
    atomic_mass_map[691740000] = 173.942172953
    atomic_mass_map[701740000] = 173.938866437
    atomic_mass_map[711740000] = 173.940340854
    atomic_mass_map[721740000] = 173.940046141
    atomic_mass_map[731740000] = 173.944454
    atomic_mass_map[741740000] = 173.946079
    atomic_mass_map[751740000] = 173.953115
    atomic_mass_map[761740000] = 173.957063507
    atomic_mass_map[771740000] = 173.966861045
    atomic_mass_map[781740000] = 173.972819528
    atomic_mass_map[791740000] = 173.984717
    atomic_mass_map[801740000] = 173.992864748
    atomic_mass_map[671750000] = 174.95362
    atomic_mass_map[681750000] = 174.94777
    atomic_mass_map[691750000] = 174.9438412
    atomic_mass_map[701750000] = 174.941280797
    atomic_mass_map[711750000] = 174.940775191
    atomic_mass_map[721750000] = 174.941509187
    atomic_mass_map[731750000] = 174.943737
    atomic_mass_map[741750000] = 174.946717
    atomic_mass_map[751750000] = 174.951381
    atomic_mass_map[761750000] = 174.956945313
    atomic_mass_map[771750000] = 174.964149589
    atomic_mass_map[781750000] = 174.972409721
    atomic_mass_map[791750000] = 174.981303712
    atomic_mass_map[801750000] = 174.991440747
    atomic_mass_map[681760000] = 175.94994
    atomic_mass_map[691760000] = 175.946999449
    atomic_mass_map[701760000] = 175.942576447
    atomic_mass_map[711760000] = 175.94268968
    atomic_mass_map[721760000] = 175.941407628
    atomic_mass_map[731760000] = 175.944857
    atomic_mass_map[741760000] = 175.945634
    atomic_mass_map[751760000] = 175.951623
    atomic_mass_map[761760000] = 175.954806
    atomic_mass_map[771760000] = 175.963650389
    atomic_mass_map[781760000] = 175.968938362
    atomic_mass_map[791760000] = 175.980250432
    atomic_mass_map[801760000] = 175.987360863
    atomic_mass_map[811760000] = 176.000624028
    atomic_mass_map[681770000] = 176.95399
    atomic_mass_map[691770000] = 176.94904
    atomic_mass_map[701770000] = 176.945265586
    atomic_mass_map[711770000] = 176.943761525
    atomic_mass_map[721770000] = 176.943227717
    atomic_mass_map[731770000] = 176.944479469
    atomic_mass_map[741770000] = 176.946643
    atomic_mass_map[751770000] = 176.950328
    atomic_mass_map[761770000] = 176.954965628
    atomic_mass_map[771770000] = 176.9613015
    atomic_mass_map[781770000] = 176.968469537
    atomic_mass_map[791770000] = 176.976870439
    atomic_mass_map[801770000] = 176.986277319
    atomic_mass_map[811770000] = 176.996430829
    atomic_mass_map[691780000] = 177.95264
    atomic_mass_map[701780000] = 177.946651444
    atomic_mass_map[711780000] = 177.945958018
    atomic_mass_map[721780000] = 177.943705833
    atomic_mass_map[731780000] = 177.945678
    atomic_mass_map[741780000] = 177.945883303
    atomic_mass_map[751780000] = 177.950989
    atomic_mass_map[761780000] = 177.953253627
    atomic_mass_map[771780000] = 177.961082
    atomic_mass_map[781780000] = 177.965649523
    atomic_mass_map[791780000] = 177.97603192
    atomic_mass_map[801780000] = 177.982483769
    atomic_mass_map[811780000] = 177.994854
    atomic_mass_map[821780000] = 178.003831243
    atomic_mass_map[691790000] = 178.95534
    atomic_mass_map[701790000] = 178.95004
    atomic_mass_map[711790000] = 178.947330935
    atomic_mass_map[721790000] = 178.945823212
    atomic_mass_map[731790000] = 178.945936555
    atomic_mass_map[741790000] = 178.947077043
    atomic_mass_map[751790000] = 178.94998913
    atomic_mass_map[761790000] = 178.953816881
    atomic_mass_map[771790000] = 178.959120178
    atomic_mass_map[781790000] = 178.965358953
    atomic_mass_map[791790000] = 178.973173654
    atomic_mass_map[801790000] = 178.981831329
    atomic_mass_map[811790000] = 178.991110696
    atomic_mass_map[821790000] = 179.002201112
    atomic_mass_map[701800000] = 179.95212
    atomic_mass_map[711800000] = 179.94988825
    atomic_mass_map[721800000] = 179.946557042
    atomic_mass_map[731800000] = 179.947464832
    atomic_mass_map[741800000] = 179.946710805
    atomic_mass_map[751800000] = 179.950791568
    atomic_mass_map[761800000] = 179.952375485
    atomic_mass_map[771800000] = 179.959229446
    atomic_mass_map[781800000] = 179.963031955
    atomic_mass_map[791800000] = 179.972523397
    atomic_mass_map[801800000] = 179.978260335
    atomic_mass_map[811800000] = 179.990056524
    atomic_mass_map[821800000] = 179.997928286
    atomic_mass_map[701810000] = 180.95589
    atomic_mass_map[711810000] = 180.951908
    atomic_mass_map[721810000] = 180.949108338
    atomic_mass_map[731810000] = 180.947995769
    atomic_mass_map[741810000] = 180.948197783
    atomic_mass_map[751810000] = 180.950057673
    atomic_mass_map[761810000] = 180.953247188
    atomic_mass_map[771810000] = 180.957625456
    atomic_mass_map[781810000] = 180.963097588
    atomic_mass_map[791810000] = 180.970079047
    atomic_mass_map[801810000] = 180.977819371
    atomic_mass_map[811810000] = 180.986259979
    atomic_mass_map[821810000] = 180.99665331
    atomic_mass_map[711820000] = 181.95504
    atomic_mass_map[721820000] = 181.950561185
    atomic_mass_map[731820000] = 181.950151853
    atomic_mass_map[741820000] = 181.948203945
    atomic_mass_map[751820000] = 181.951209869
    atomic_mass_map[761820000] = 181.952110187
    atomic_mass_map[771820000] = 181.958076296
    atomic_mass_map[781820000] = 181.961171823
    atomic_mass_map[791820000] = 181.969617874
    atomic_mass_map[801820000] = 181.974689351
    atomic_mass_map[811820000] = 181.985713159
    atomic_mass_map[821820000] = 181.992672466
    atomic_mass_map[711830000] = 182.957363
    atomic_mass_map[721830000] = 182.953530444
    atomic_mass_map[731830000] = 182.95137262
    atomic_mass_map[741830000] = 182.950222748
    atomic_mass_map[751830000] = 182.950819638
    atomic_mass_map[761830000] = 182.953124719
    atomic_mass_map[771830000] = 182.956839968
    atomic_mass_map[781830000] = 182.961596804
    atomic_mass_map[791830000] = 182.967590635
    atomic_mass_map[801830000] = 182.974444783
    atomic_mass_map[811830000] = 182.982192839
    atomic_mass_map[821830000] = 182.991872098
    atomic_mass_map[711840000] = 183.96091
    atomic_mass_map[721840000] = 183.955446243
    atomic_mass_map[731840000] = 183.954007694
    atomic_mass_map[741840000] = 183.950930916
    atomic_mass_map[751840000] = 183.952522809
    atomic_mass_map[761840000] = 183.952488536
    atomic_mass_map[771840000] = 183.957476
    atomic_mass_map[781840000] = 183.959915113
    atomic_mass_map[791840000] = 183.967451524
    atomic_mass_map[801840000] = 183.971713528
    atomic_mass_map[811840000] = 183.981885851
    atomic_mass_map[821840000] = 183.988135701
    atomic_mass_map[831840000] = 184.001274756
    atomic_mass_map[711850000] = 184.96362
    atomic_mass_map[721850000] = 184.958862
    atomic_mass_map[731850000] = 184.955559084
    atomic_mass_map[741850000] = 184.953418974
    atomic_mass_map[751850000] = 184.952954486
    atomic_mass_map[761850000] = 184.954041741
    atomic_mass_map[771850000] = 184.956698
    atomic_mass_map[781850000] = 184.960613659
    atomic_mass_map[791850000] = 184.965789569
    atomic_mass_map[801850000] = 184.971899388
    atomic_mass_map[811850000] = 184.97878905
    atomic_mass_map[821850000] = 184.987610004
    atomic_mass_map[831850000] = 184.9976
    atomic_mass_map[721860000] = 185.960897
    atomic_mass_map[731860000] = 185.958550667
    atomic_mass_map[741860000] = 185.954362771
    atomic_mass_map[751860000] = 185.954985595
    atomic_mass_map[761860000] = 185.953835044
    atomic_mass_map[771860000] = 185.957944153
    atomic_mass_map[781860000] = 185.959350812
    atomic_mass_map[791860000] = 185.965952703
    atomic_mass_map[801860000] = 185.969362272
    atomic_mass_map[811860000] = 185.978650841
    atomic_mass_map[821860000] = 185.984238331
    atomic_mass_map[831860000] = 185.996643681
    atomic_mass_map[841860000] = 186.004393241
    atomic_mass_map[721870000] = 186.96477
    atomic_mass_map[731870000] = 186.960386
    atomic_mass_map[741870000] = 186.957158841
    atomic_mass_map[751870000] = 186.955750071
    atomic_mass_map[761870000] = 186.955747422
    atomic_mass_map[771870000] = 186.957542
    atomic_mass_map[781870000] = 186.960616976
    atomic_mass_map[791870000] = 186.964543155
    atomic_mass_map[801870000] = 186.969814428
    atomic_mass_map[811870000] = 186.975906348
    atomic_mass_map[821870000] = 186.983910895
    atomic_mass_map[831870000] = 186.993147184
    atomic_mass_map[841870000] = 187.003041054
    atomic_mass_map[721880000] = 187.96685
    atomic_mass_map[731880000] = 187.963916
    atomic_mass_map[741880000] = 187.958486177
    atomic_mass_map[751880000] = 187.95811151
    atomic_mass_map[761880000] = 187.955835174
    atomic_mass_map[771880000] = 187.958828095
    atomic_mass_map[781880000] = 187.959388889
    atomic_mass_map[791880000] = 187.965349392
    atomic_mass_map[801880000] = 187.967566887
    atomic_mass_map[811880000] = 187.976020886
    atomic_mass_map[821880000] = 187.980874815
    atomic_mass_map[831880000] = 187.992286943
    atomic_mass_map[841880000] = 187.999415569
    atomic_mass_map[721890000] = 188.97084
    atomic_mass_map[731890000] = 188.96583
    atomic_mass_map[741890000] = 188.961763
    atomic_mass_map[751890000] = 188.95922602
    atomic_mass_map[761890000] = 188.958144162
    atomic_mass_map[771890000] = 188.958715028
    atomic_mass_map[781890000] = 188.960831282
    atomic_mass_map[791890000] = 188.963948286
    atomic_mass_map[801890000] = 188.968194927
    atomic_mass_map[811890000] = 188.973588471
    atomic_mass_map[821890000] = 188.980807
    atomic_mass_map[831890000] = 188.989194984
    atomic_mass_map[841890000] = 188.998473429
    atomic_mass_map[731900000] = 189.96939
    atomic_mass_map[741900000] = 189.963090589
    atomic_mass_map[751900000] = 189.96174426
    atomic_mass_map[761900000] = 189.958443702
    atomic_mass_map[771900000] = 189.960541215
    atomic_mass_map[781900000] = 189.959929707
    atomic_mass_map[791900000] = 189.96469839
    atomic_mass_map[801900000] = 189.966322735
    atomic_mass_map[811900000] = 189.973828
    atomic_mass_map[821900000] = 189.978081999
    atomic_mass_map[831900000] = 189.988621561
    atomic_mass_map[841900000] = 189.995100569
    atomic_mass_map[731910000] = 190.97156
    atomic_mass_map[741910000] = 190.966531
    atomic_mass_map[751910000] = 190.963121551
    atomic_mass_map[761910000] = 190.960926361
    atomic_mass_map[771910000] = 190.960589293
    atomic_mass_map[781910000] = 190.961672912
    atomic_mass_map[791910000] = 190.963702248
    atomic_mass_map[801910000] = 190.96715716
    atomic_mass_map[811910000] = 190.971784199
    atomic_mass_map[821910000] = 190.978276
    atomic_mass_map[831910000] = 190.985786556
    atomic_mass_map[841910000] = 190.994558462
    atomic_mass_map[851910000] = 191.004147909
    atomic_mass_map[731920000] = 191.97514
    atomic_mass_map[741920000] = 191.96817
    atomic_mass_map[751920000] = 191.966088
    atomic_mass_map[761920000] = 191.961476998
    atomic_mass_map[771920000] = 191.962600247
    atomic_mass_map[781920000] = 191.961038746
    atomic_mass_map[791920000] = 191.964813694
    atomic_mass_map[801920000] = 191.965634702
    atomic_mass_map[811920000] = 191.972225
    atomic_mass_map[821920000] = 191.975775008
    atomic_mass_map[831920000] = 191.985469058
    atomic_mass_map[841920000] = 191.991335925
    atomic_mass_map[851920000] = 192.003151707
    atomic_mass_map[741930000] = 192.97178
    atomic_mass_map[751930000] = 192.967541
    atomic_mass_map[761930000] = 192.96414787
    atomic_mass_map[771930000] = 192.962921587
    atomic_mass_map[781930000] = 192.96298238
    atomic_mass_map[791930000] = 192.964137257
    atomic_mass_map[801930000] = 192.966652658
    atomic_mass_map[811930000] = 192.970501998
    atomic_mass_map[821930000] = 192.976173234
    atomic_mass_map[831930000] = 192.982959813
    atomic_mass_map[841930000] = 192.991025678
    atomic_mass_map[851930000] = 192.999927418
    atomic_mass_map[861930000] = 193.009707979
    atomic_mass_map[741940000] = 193.97367
    atomic_mass_map[751940000] = 193.97076
    atomic_mass_map[761940000] = 193.96517724
    atomic_mass_map[771940000] = 193.965073536
    atomic_mass_map[781940000] = 193.96268085
    atomic_mass_map[791940000] = 193.965417754
    atomic_mass_map[801940000] = 193.965449112
    atomic_mass_map[811940000] = 193.971081412
    atomic_mass_map[821940000] = 193.97401225
    atomic_mass_map[831940000] = 193.982785
    atomic_mass_map[841940000] = 193.988186101
    atomic_mass_map[851940000] = 193.999236139
    atomic_mass_map[861940000] = 194.006144389
    atomic_mass_map[751950000] = 194.97254
    atomic_mass_map[761950000] = 194.968318
    atomic_mass_map[771950000] = 194.96597473
    atomic_mass_map[781950000] = 194.964791719
    atomic_mass_map[791950000] = 194.965035225
    atomic_mass_map[801950000] = 194.96672054
    atomic_mass_map[811950000] = 194.969774268
    atomic_mass_map[821950000] = 194.974542922
    atomic_mass_map[831950000] = 194.980648781
    atomic_mass_map[841950000] = 194.988125532
    atomic_mass_map[851950000] = 194.996268546
    atomic_mass_map[861950000] = 195.005421673
    atomic_mass_map[751960000] = 195.9758
    atomic_mass_map[761960000] = 195.969641463
    atomic_mass_map[771960000] = 195.968397112
    atomic_mass_map[781960000] = 195.964952091
    atomic_mass_map[791960000] = 195.966569908
    atomic_mass_map[801960000] = 195.96583256
    atomic_mass_map[811960000] = 195.970481193
    atomic_mass_map[821960000] = 195.972774233
    atomic_mass_map[831960000] = 195.980666509
    atomic_mass_map[841960000] = 195.985525902
    atomic_mass_map[851960000] = 195.995799619
    atomic_mass_map[861960000] = 196.002115998
    atomic_mass_map[751970000] = 196.97799
    atomic_mass_map[761970000] = 196.97283
    atomic_mass_map[771970000] = 196.969655415
    atomic_mass_map[781970000] = 196.967340687
    atomic_mass_map[791970000] = 196.966568786
    atomic_mass_map[801970000] = 196.967212847
    atomic_mass_map[811970000] = 196.96957589
    atomic_mass_map[821970000] = 196.973431166
    atomic_mass_map[831970000] = 196.978865099
    atomic_mass_map[841970000] = 196.985659522
    atomic_mass_map[851970000] = 196.993189187
    atomic_mass_map[861970000] = 197.00158462
    atomic_mass_map[751980000] = 197.9816
    atomic_mass_map[761980000] = 197.97441
    atomic_mass_map[771980000] = 197.97228
    atomic_mass_map[781980000] = 197.96789492
    atomic_mass_map[791980000] = 197.96824242
    atomic_mass_map[801980000] = 197.966768602
    atomic_mass_map[811980000] = 197.970483065
    atomic_mass_map[821980000] = 197.972034077
    atomic_mass_map[831980000] = 197.979206
    atomic_mass_map[841980000] = 197.983389132
    atomic_mass_map[851980000] = 197.992784
    atomic_mass_map[861980000] = 197.998679156
    atomic_mass_map[761990000] = 198.97801
    atomic_mass_map[771990000] = 198.973805301
    atomic_mass_map[781990000] = 198.970595224
    atomic_mass_map[791990000] = 198.968765282
    atomic_mass_map[801990000] = 198.968280643
    atomic_mass_map[811990000] = 198.969877
    atomic_mass_map[821990000] = 198.97291268
    atomic_mass_map[831990000] = 198.97767301
    atomic_mass_map[841990000] = 198.983667115
    atomic_mass_map[851990000] = 198.990527654
    atomic_mass_map[861990000] = 198.998389856
    atomic_mass_map[871990000] = 199.007258594
    atomic_mass_map[762000000] = 199.97984
    atomic_mass_map[772000000] = 199.9768
    atomic_mass_map[782000000] = 199.971442807
    atomic_mass_map[792000000] = 199.970756456
    atomic_mass_map[802000000] = 199.96832659
    atomic_mass_map[812000000] = 199.970963258
    atomic_mass_map[822000000] = 199.971818893
    atomic_mass_map[832000000] = 199.978131179
    atomic_mass_map[842000000] = 199.98179879
    atomic_mass_map[852000000] = 199.990351015
    atomic_mass_map[862000000] = 199.995690431
    atomic_mass_map[872000000] = 200.006586003
    atomic_mass_map[762010000] = 200.98364
    atomic_mass_map[772010000] = 200.97864
    atomic_mass_map[782010000] = 200.974513112
    atomic_mass_map[792010000] = 200.971657484
    atomic_mass_map[802010000] = 200.970302839
    atomic_mass_map[812010000] = 200.970822212
    atomic_mass_map[822010000] = 200.972882917
    atomic_mass_map[832010000] = 200.977010416
    atomic_mass_map[842010000] = 200.982259806
    atomic_mass_map[852010000] = 200.988417147
    atomic_mass_map[862010000] = 200.99562801
    atomic_mass_map[872010000] = 201.003866593
    atomic_mass_map[882010000] = 201.012712
    atomic_mass_map[762020000] = 201.98595
    atomic_mass_map[772020000] = 201.98199
    atomic_mass_map[782020000] = 201.975639
    atomic_mass_map[792020000] = 201.973856
    atomic_mass_map[802020000] = 201.9706434
    atomic_mass_map[812020000] = 201.972102441
    atomic_mass_map[822020000] = 201.972152026
    atomic_mass_map[832020000] = 201.977733861
    atomic_mass_map[842020000] = 201.980757657
    atomic_mass_map[852020000] = 201.988630302
    atomic_mass_map[862020000] = 201.993264277
    atomic_mass_map[872020000] = 202.00332
    atomic_mass_map[882020000] = 202.009759744
    atomic_mass_map[772030000] = 202.98423
    atomic_mass_map[782030000] = 202.97893
    atomic_mass_map[792030000] = 202.975154446
    atomic_mass_map[802030000] = 202.972872837
    atomic_mass_map[812030000] = 202.972344593
    atomic_mass_map[822030000] = 202.973391126
    atomic_mass_map[832030000] = 202.976892779
    atomic_mass_map[842030000] = 202.981416133
    atomic_mass_map[852030000] = 202.98694299
    atomic_mass_map[862030000] = 202.993387741
    atomic_mass_map[872030000] = 203.000940729
    atomic_mass_map[882030000] = 203.009304274
    atomic_mass_map[772040000] = 203.9896
    atomic_mass_map[782040000] = 203.98076
    atomic_mass_map[792040000] = 203.977831
    atomic_mass_map[802040000] = 203.973493981
    atomic_mass_map[812040000] = 203.9738639
    atomic_mass_map[822040000] = 203.973043981
    atomic_mass_map[832040000] = 203.977836062
    atomic_mass_map[842040000] = 203.980310339
    atomic_mass_map[852040000] = 203.987251198
    atomic_mass_map[862040000] = 203.991429922
    atomic_mass_map[872040000] = 204.000652059
    atomic_mass_map[882040000] = 204.006491866
    atomic_mass_map[782050000] = 204.98608
    atomic_mass_map[792050000] = 204.97985
    atomic_mass_map[802050000] = 204.976073417
    atomic_mass_map[812050000] = 204.974427801
    atomic_mass_map[822050000] = 204.974482157
    atomic_mass_map[832050000] = 204.977386694
    atomic_mass_map[842050000] = 204.981203091
    atomic_mass_map[852050000] = 204.986075861
    atomic_mass_map[862050000] = 204.99171884
    atomic_mass_map[872050000] = 204.998593858
    atomic_mass_map[882050000] = 205.006268245
    atomic_mass_map[782060000] = 205.98966
    atomic_mass_map[792060000] = 205.98474
    atomic_mass_map[802060000] = 205.977514401
    atomic_mass_map[812060000] = 205.976110589
    atomic_mass_map[822060000] = 205.974465683
    atomic_mass_map[832060000] = 205.978499317
    atomic_mass_map[842060000] = 205.980473991
    atomic_mass_map[852060000] = 205.986656933
    atomic_mass_map[862060000] = 205.990214219
    atomic_mass_map[872060000] = 205.998666132
    atomic_mass_map[882060000] = 206.003828053
    atomic_mass_map[892060000] = 206.014452
    atomic_mass_map[792070000] = 206.9884
    atomic_mass_map[802070000] = 206.9823
    atomic_mass_map[812070000] = 206.977419712
    atomic_mass_map[822070000] = 206.975897297
    atomic_mass_map[832070000] = 206.978471022
    atomic_mass_map[842070000] = 206.981593762
    atomic_mass_map[852070000] = 206.985800332
    atomic_mass_map[862070000] = 206.990730254
    atomic_mass_map[872070000] = 206.996946478
    atomic_mass_map[882070000] = 207.003799159
    atomic_mass_map[892070000] = 207.01196583
    atomic_mass_map[792080000] = 207.99345
    atomic_mass_map[802080000] = 207.985759
    atomic_mass_map[812080000] = 207.982019001
    atomic_mass_map[822080000] = 207.976652481
    atomic_mass_map[832080000] = 207.97974253
    atomic_mass_map[842080000] = 207.981246092
    atomic_mass_map[852080000] = 207.986613302
    atomic_mass_map[862080000] = 207.989634687
    atomic_mass_map[872080000] = 207.997138132
    atomic_mass_map[882080000] = 208.001841122
    atomic_mass_map[892080000] = 208.011550406
    atomic_mass_map[902080000] = 208.017900275
    atomic_mass_map[792090000] = 208.99735
    atomic_mass_map[802090000] = 208.99072
    atomic_mass_map[812090000] = 208.985359353
    atomic_mass_map[822090000] = 208.981090461
    atomic_mass_map[832090000] = 208.980399068
    atomic_mass_map[842090000] = 208.982430836
    atomic_mass_map[852090000] = 208.986170215
    atomic_mass_map[862090000] = 208.99041451
    atomic_mass_map[872090000] = 208.995954932
    atomic_mass_map[882090000] = 209.001990455
    atomic_mass_map[892090000] = 209.009494762
    atomic_mass_map[902090000] = 209.017752974
    atomic_mass_map[792100000] = 210.0025
    atomic_mass_map[802100000] = 209.99424
    atomic_mass_map[812100000] = 209.990073958
    atomic_mass_map[822100000] = 209.984188861
    atomic_mass_map[832100000] = 209.984120705
    atomic_mass_map[842100000] = 209.982874076
    atomic_mass_map[852100000] = 209.987147898
    atomic_mass_map[862100000] = 209.989689107
    atomic_mass_map[872100000] = 209.996422409
    atomic_mass_map[882100000] = 210.000494169
    atomic_mass_map[892100000] = 210.009436052
    atomic_mass_map[902100000] = 210.015093642
    atomic_mass_map[802110000] = 210.99933
    atomic_mass_map[812110000] = 210.993475
    atomic_mass_map[822110000] = 210.988737125
    atomic_mass_map[832110000] = 210.987269741
    atomic_mass_map[842110000] = 210.986653562
    atomic_mass_map[852110000] = 210.987496614
    atomic_mass_map[862110000] = 210.99060111
    atomic_mass_map[872110000] = 210.995555723
    atomic_mass_map[882110000] = 211.000893214
    atomic_mass_map[892110000] = 211.007731899
    atomic_mass_map[902110000] = 211.014929468
    atomic_mass_map[802120000] = 212.00296
    atomic_mass_map[812120000] = 211.998335
    atomic_mass_map[822120000] = 211.991897703
    atomic_mass_map[832120000] = 211.991286026
    atomic_mass_map[842120000] = 211.988868376
    atomic_mass_map[852120000] = 211.990737688
    atomic_mass_map[862120000] = 211.990703919
    atomic_mass_map[872120000] = 211.996225652
    atomic_mass_map[882120000] = 211.999786715
    atomic_mass_map[892120000] = 212.007813171
    atomic_mass_map[902120000] = 212.012987595
    atomic_mass_map[912120000] = 212.023202993
    atomic_mass_map[802130000] = 213.00823
    atomic_mass_map[812130000] = 213.001915
    atomic_mass_map[822130000] = 212.996562894
    atomic_mass_map[832130000] = 212.994385067
    atomic_mass_map[842130000] = 212.992857623
    atomic_mass_map[852130000] = 212.992936978
    atomic_mass_map[862130000] = 212.993883069
    atomic_mass_map[872130000] = 212.996186041
    atomic_mass_map[882130000] = 213.000384258
    atomic_mass_map[892130000] = 213.00660902
    atomic_mass_map[902130000] = 213.013009223
    atomic_mass_map[912130000] = 213.021109239
    atomic_mass_map[802140000] = 214.012
    atomic_mass_map[812140000] = 214.00694
    atomic_mass_map[822140000] = 213.999805917
    atomic_mass_map[832140000] = 213.998711926
    atomic_mass_map[842140000] = 213.995201683
    atomic_mass_map[852140000] = 213.996372066
    atomic_mass_map[862140000] = 213.995362956
    atomic_mass_map[872140000] = 213.998971333
    atomic_mass_map[882140000] = 214.000099727
    atomic_mass_map[892140000] = 214.006918488
    atomic_mass_map[902140000] = 214.011500159
    atomic_mass_map[912140000] = 214.020918483
    atomic_mass_map[802150000] = 215.0174
    atomic_mass_map[812150000] = 215.01064
    atomic_mass_map[822150000] = 215.004741
    atomic_mass_map[832150000] = 215.001769823
    atomic_mass_map[842150000] = 214.999420146
    atomic_mass_map[852150000] = 214.998652849
    atomic_mass_map[862150000] = 214.99874589
    atomic_mass_map[872150000] = 215.000341838
    atomic_mass_map[882150000] = 215.00272042
    atomic_mass_map[892150000] = 215.006474511
    atomic_mass_map[902150000] = 215.011724774
    atomic_mass_map[912150000] = 215.019182929
    atomic_mass_map[802160000] = 216.02132
    atomic_mass_map[812160000] = 216.0158
    atomic_mass_map[822160000] = 216.00803
    atomic_mass_map[832160000] = 216.006305989
    atomic_mass_map[842160000] = 216.001915186
    atomic_mass_map[852160000] = 216.002423555
    atomic_mass_map[862160000] = 216.000271859
    atomic_mass_map[872160000] = 216.003189865
    atomic_mass_map[882160000] = 216.003533423
    atomic_mass_map[892160000] = 216.008743482
    atomic_mass_map[902160000] = 216.011056007
    atomic_mass_map[912160000] = 216.019108913
    atomic_mass_map[812170000] = 217.01966
    atomic_mass_map[822170000] = 217.01314
    atomic_mass_map[832170000] = 217.009372
    atomic_mass_map[842170000] = 217.006318159
    atomic_mass_map[852170000] = 217.004719222
    atomic_mass_map[862170000] = 217.003928018
    atomic_mass_map[872170000] = 217.004632282
    atomic_mass_map[882170000] = 217.006320726
    atomic_mass_map[892170000] = 217.009343872
    atomic_mass_map[902170000] = 217.013116701
    atomic_mass_map[912170000] = 217.018325363
    atomic_mass_map[922170000] = 217.024661
    atomic_mass_map[812180000] = 218.02479
    atomic_mass_map[822180000] = 218.01659
    atomic_mass_map[832180000] = 218.014188
    atomic_mass_map[842180000] = 218.008973546
    atomic_mass_map[852180000] = 218.008694723
    atomic_mass_map[862180000] = 218.005601586
    atomic_mass_map[872180000] = 218.007578653
    atomic_mass_map[882180000] = 218.007140631
    atomic_mass_map[892180000] = 218.01164164
    atomic_mass_map[902180000] = 218.013276331
    atomic_mass_map[912180000] = 218.020058579
    atomic_mass_map[922180000] = 218.023523472
    atomic_mass_map[822190000] = 219.02177
    atomic_mass_map[832190000] = 219.01748
    atomic_mass_map[842190000] = 219.013614
    atomic_mass_map[852190000] = 219.011161848
    atomic_mass_map[862190000] = 219.009480361
    atomic_mass_map[872190000] = 219.009252427
    atomic_mass_map[882190000] = 219.010085484
    atomic_mass_map[892190000] = 219.01242073
    atomic_mass_map[902190000] = 219.015537481
    atomic_mass_map[912190000] = 219.019904029
    atomic_mass_map[922190000] = 219.02499913
    atomic_mass_map[932190000] = 219.03143
    atomic_mass_map[822200000] = 220.02541
    atomic_mass_map[832200000] = 220.02235
    atomic_mass_map[842200000] = 220.016386
    atomic_mass_map[852200000] = 220.015433
    atomic_mass_map[862200000] = 220.01139413
    atomic_mass_map[872200000] = 220.012327702
    atomic_mass_map[882200000] = 220.011025872
    atomic_mass_map[892200000] = 220.014754854
    atomic_mass_map[902200000] = 220.015748148
    atomic_mass_map[912200000] = 220.021705
    atomic_mass_map[922200000] = 220.02462
    atomic_mass_map[932200000] = 220.03254
    atomic_mass_map[832210000] = 221.02587
    atomic_mass_map[842210000] = 221.021228
    atomic_mass_map[852210000] = 221.018017
    atomic_mass_map[862210000] = 221.015537076
    atomic_mass_map[872210000] = 221.014255163
    atomic_mass_map[882210000] = 221.01391768
    atomic_mass_map[892210000] = 221.015591579
    atomic_mass_map[902210000] = 221.018184072
    atomic_mass_map[912210000] = 221.021874941
    atomic_mass_map[922210000] = 221.026284
    atomic_mass_map[932210000] = 221.03204
    atomic_mass_map[832220000] = 222.03078
    atomic_mass_map[842220000] = 222.02414
    atomic_mass_map[852220000] = 222.022494
    atomic_mass_map[862220000] = 222.017578246
    atomic_mass_map[872220000] = 222.017552192
    atomic_mass_map[882220000] = 222.015374846
    atomic_mass_map[892220000] = 222.017844181
    atomic_mass_map[902220000] = 222.018468521
    atomic_mass_map[912220000] = 222.023784
    atomic_mass_map[922220000] = 222.026003
    atomic_mass_map[932220000] = 222.0333
    atomic_mass_map[832230000] = 223.0345
    atomic_mass_map[842230000] = 223.02907
    atomic_mass_map[852230000] = 223.025151
    atomic_mass_map[862230000] = 223.021889286
    atomic_mass_map[872230000] = 223.019736013
    atomic_mass_map[882230000] = 223.018502327
    atomic_mass_map[892230000] = 223.019137747
    atomic_mass_map[902230000] = 223.020811853
    atomic_mass_map[912230000] = 223.023962614
    atomic_mass_map[922230000] = 223.027739187
    atomic_mass_map[932230000] = 223.03285
    atomic_mass_map[832240000] = 224.03947
    atomic_mass_map[842240000] = 224.03211
    atomic_mass_map[852240000] = 224.029749
    atomic_mass_map[862240000] = 224.024095805
    atomic_mass_map[872240000] = 224.023398
    atomic_mass_map[882240000] = 224.020211968
    atomic_mass_map[892240000] = 224.021723163
    atomic_mass_map[902240000] = 224.021464382
    atomic_mass_map[912240000] = 224.025617614
    atomic_mass_map[922240000] = 224.027605163
    atomic_mass_map[932240000] = 224.03422
    atomic_mass_map[842250000] = 225.03707
    atomic_mass_map[852250000] = 225.03263
    atomic_mass_map[862250000] = 225.028485574
    atomic_mass_map[872250000] = 225.025572682
    atomic_mass_map[882250000] = 225.023611857
    atomic_mass_map[892250000] = 225.023229987
    atomic_mass_map[902250000] = 225.023951363
    atomic_mass_map[912250000] = 225.026131009
    atomic_mass_map[922250000] = 225.02939135
    atomic_mass_map[932250000] = 225.033910892
    atomic_mass_map[842260000] = 226.04031
    atomic_mass_map[852260000] = 226.03716
    atomic_mass_map[862260000] = 226.030861382
    atomic_mass_map[872260000] = 226.029566
    atomic_mass_map[882260000] = 226.02541033
    atomic_mass_map[892260000] = 226.026098383
    atomic_mass_map[902260000] = 226.024903383
    atomic_mass_map[912260000] = 226.027948082
    atomic_mass_map[922260000] = 226.029339101
    atomic_mass_map[932260000] = 226.035188
    atomic_mass_map[842270000] = 227.04539
    atomic_mass_map[852270000] = 227.04024
    atomic_mass_map[862270000] = 227.035304396
    atomic_mass_map[872270000] = 227.031869
    atomic_mass_map[882270000] = 227.029178349
    atomic_mass_map[892270000] = 227.027752283
    atomic_mass_map[902270000] = 227.027704227
    atomic_mass_map[912270000] = 227.028805351
    atomic_mass_map[922270000] = 227.031156773
    atomic_mass_map[932270000] = 227.034957129
    atomic_mass_map[852280000] = 228.04475
    atomic_mass_map[862280000] = 228.037835418
    atomic_mass_map[872280000] = 228.035823175
    atomic_mass_map[882280000] = 228.031070728
    atomic_mass_map[892280000] = 228.031021547
    atomic_mass_map[902280000] = 228.028741272
    atomic_mass_map[912280000] = 228.031051673
    atomic_mass_map[922280000] = 228.031371492
    atomic_mass_map[932280000] = 228.036066866
    atomic_mass_map[942280000] = 228.038732491
    atomic_mass_map[852290000] = 229.04812
    atomic_mass_map[862290000] = 229.042257277
    atomic_mass_map[872290000] = 229.038298
    atomic_mass_map[882290000] = 229.034942262
    atomic_mass_map[892290000] = 229.032955884
    atomic_mass_map[902290000] = 229.031762713
    atomic_mass_map[912290000] = 229.032097236
    atomic_mass_map[922290000] = 229.03350628
    atomic_mass_map[932290000] = 229.036264139
    atomic_mass_map[942290000] = 229.040143614
    atomic_mass_map[862300000] = 230.04514
    atomic_mass_map[872300000] = 230.042416349
    atomic_mass_map[882300000] = 230.037054781
    atomic_mass_map[892300000] = 230.036327
    atomic_mass_map[902300000] = 230.03313413
    atomic_mass_map[912300000] = 230.034541047
    atomic_mass_map[922300000] = 230.033940096
    atomic_mass_map[932300000] = 230.037827926
    atomic_mass_map[942300000] = 230.039650283
    atomic_mass_map[952300000] = 230.04609
    atomic_mass_map[862310000] = 231.04987
    atomic_mass_map[872310000] = 231.045158
    atomic_mass_map[882310000] = 231.041027087
    atomic_mass_map[892310000] = 231.038393
    atomic_mass_map[902310000] = 231.036304628
    atomic_mass_map[912310000] = 231.035884243
    atomic_mass_map[922310000] = 231.036293861
    atomic_mass_map[932310000] = 231.038245364
    atomic_mass_map[942310000] = 231.041101511
    atomic_mass_map[952310000] = 231.04556
    atomic_mass_map[872320000] = 232.049368
    atomic_mass_map[882320000] = 232.04347527
    atomic_mass_map[892320000] = 232.042034
    atomic_mass_map[902320000] = 232.03805576
    atomic_mass_map[912320000] = 232.038591737
    atomic_mass_map[922320000] = 232.037156297
    atomic_mass_map[932320000] = 232.040109
    atomic_mass_map[942320000] = 232.041184582
    atomic_mass_map[952320000] = 232.04645
    atomic_mass_map[962320000] = 232.049817
    atomic_mass_map[872330000] = 233.05264
    atomic_mass_map[882330000] = 233.047582
    atomic_mass_map[892330000] = 233.044346
    atomic_mass_map[902330000] = 233.041582278
    atomic_mass_map[912330000] = 233.040247222
    atomic_mass_map[922330000] = 233.039635525
    atomic_mass_map[932330000] = 233.040740989
    atomic_mass_map[942330000] = 233.042997716
    atomic_mass_map[952330000] = 233.046445
    atomic_mass_map[962330000] = 233.050770001
    atomic_mass_map[882340000] = 234.050342
    atomic_mass_map[892340000] = 234.048139
    atomic_mass_map[902340000] = 234.043601407
    atomic_mass_map[912340000] = 234.043307161
    atomic_mass_map[922340000] = 234.040952306
    atomic_mass_map[932340000] = 234.042895256
    atomic_mass_map[942340000] = 234.043317387
    atomic_mass_map[952340000] = 234.047731
    atomic_mass_map[962340000] = 234.050160237
    atomic_mass_map[972340000] = 234.057267
    atomic_mass_map[882350000] = 235.05497
    atomic_mass_map[892350000] = 235.05084
    atomic_mass_map[902350000] = 235.047255
    atomic_mass_map[912350000] = 235.045399
    atomic_mass_map[922350000] = 235.043930131
    atomic_mass_map[932350000] = 235.044063487
    atomic_mass_map[942350000] = 235.045286206
    atomic_mass_map[952350000] = 235.047908245
    atomic_mass_map[962350000] = 235.051542
    atomic_mass_map[972350000] = 235.05658
    atomic_mass_map[892360000] = 236.054988
    atomic_mass_map[902360000] = 236.049657
    atomic_mass_map[912360000] = 236.048668
    atomic_mass_map[922360000] = 236.04556821
    atomic_mass_map[932360000] = 236.046569744
    atomic_mass_map[942360000] = 236.046058109
    atomic_mass_map[952360000] = 236.049428
    atomic_mass_map[962360000] = 236.051374477
    atomic_mass_map[972360000] = 236.05748
    atomic_mass_map[892370000] = 237.05827
    atomic_mass_map[902370000] = 237.053629
    atomic_mass_map[912370000] = 237.051023
    atomic_mass_map[922370000] = 237.048730378
    atomic_mass_map[932370000] = 237.048173649
    atomic_mass_map[942370000] = 237.04840983
    atomic_mass_map[952370000] = 237.049996
    atomic_mass_map[962370000] = 237.052869294
    atomic_mass_map[972370000] = 237.0571
    atomic_mass_map[982370000] = 237.062197789
    atomic_mass_map[902380000] = 238.056496
    atomic_mass_map[912380000] = 238.054637
    atomic_mass_map[922380000] = 238.050788423
    atomic_mass_map[932380000] = 238.050946611
    atomic_mass_map[942380000] = 238.049560111
    atomic_mass_map[952380000] = 238.051984542
    atomic_mass_map[962380000] = 238.05308142
    atomic_mass_map[972380000] = 238.058204
    atomic_mass_map[982380000] = 238.06149
    atomic_mass_map[902390000] = 239.06077
    atomic_mass_map[912390000] = 239.05726
    atomic_mass_map[922390000] = 239.054293475
    atomic_mass_map[932390000] = 239.052939241
    atomic_mass_map[942390000] = 239.052163591
    atomic_mass_map[952390000] = 239.053024699
    atomic_mass_map[962390000] = 239.054910117
    atomic_mass_map[972390000] = 239.058241
    atomic_mass_map[982390000] = 239.062529
    atomic_mass_map[992390000] = 239.06823
    atomic_mass_map[912400000] = 240.06098
    atomic_mass_map[922400000] = 240.056593356
    atomic_mass_map[932400000] = 240.056165427
    atomic_mass_map[942400000] = 240.05381375
    atomic_mass_map[952400000] = 240.055300384
    atomic_mass_map[962400000] = 240.055529681
    atomic_mass_map[972400000] = 240.059759
    atomic_mass_map[982400000] = 240.062255728
    atomic_mass_map[992400000] = 240.06892
    atomic_mass_map[912410000] = 241.06408
    atomic_mass_map[922410000] = 241.06033
    atomic_mass_map[932410000] = 241.058252636
    atomic_mass_map[942410000] = 241.056851661
    atomic_mass_map[952410000] = 241.056829349
    atomic_mass_map[962410000] = 241.05765317
    atomic_mass_map[972410000] = 241.060155
    atomic_mass_map[982410000] = 241.06369
    atomic_mass_map[992410000] = 241.06856
    atomic_mass_map[1002410000] = 241.07421
    atomic_mass_map[922420000] = 242.062932
    atomic_mass_map[932420000] = 242.061641379
    atomic_mass_map[942420000] = 242.058742809
    atomic_mass_map[952420000] = 242.059549364
    atomic_mass_map[962420000] = 242.058836039
    atomic_mass_map[972420000] = 242.061982
    atomic_mass_map[982420000] = 242.063754274
    atomic_mass_map[992420000] = 242.069567
    atomic_mass_map[1002420000] = 242.07343
    atomic_mass_map[922430000] = 243.06699
    atomic_mass_map[932430000] = 243.06428
    atomic_mass_map[942430000] = 243.062003595
    atomic_mass_map[952430000] = 243.061381302
    atomic_mass_map[962430000] = 243.061389325
    atomic_mass_map[972430000] = 243.063007791
    atomic_mass_map[982430000] = 243.065477
    atomic_mass_map[992430000] = 243.06951
    atomic_mass_map[1002430000] = 243.074465
    atomic_mass_map[932440000] = 244.06785
    atomic_mass_map[942440000] = 244.06420526
    atomic_mass_map[952440000] = 244.064285052
    atomic_mass_map[962440000] = 244.062752783
    atomic_mass_map[972440000] = 244.065180979
    atomic_mass_map[982440000] = 244.066000801
    atomic_mass_map[992440000] = 244.070883
    atomic_mass_map[1002440000] = 244.074038
    atomic_mass_map[932450000] = 245.0708
    atomic_mass_map[942450000] = 245.067826058
    atomic_mass_map[952450000] = 245.066454834
    atomic_mass_map[962450000] = 245.065491454
    atomic_mass_map[972450000] = 245.066361821
    atomic_mass_map[982450000] = 245.068048677
    atomic_mass_map[992450000] = 245.071249
    atomic_mass_map[1002450000] = 245.075349
    atomic_mass_map[1012450000] = 245.080808
    atomic_mass_map[942460000] = 246.070205458
    atomic_mass_map[952460000] = 246.069775
    atomic_mass_map[962460000] = 246.067223841
    atomic_mass_map[972460000] = 246.068673126
    atomic_mass_map[982460000] = 246.068805531
    atomic_mass_map[992460000] = 246.072896
    atomic_mass_map[1002460000] = 246.07535047
    atomic_mass_map[1012460000] = 246.081713
    atomic_mass_map[942470000] = 247.07419
    atomic_mass_map[952470000] = 247.072093
    atomic_mass_map[962470000] = 247.070354131
    atomic_mass_map[972470000] = 247.070307302
    atomic_mass_map[982470000] = 247.070965463
    atomic_mass_map[992470000] = 247.073622017
    atomic_mass_map[1002470000] = 247.076945
    atomic_mass_map[1012470000] = 247.081522
    atomic_mass_map[952480000] = 248.075753
    atomic_mass_map[962480000] = 248.072349862
    atomic_mass_map[972480000] = 248.073088
    atomic_mass_map[982480000] = 248.072185066
    atomic_mass_map[992480000] = 248.075471
    atomic_mass_map[1002480000] = 248.077186463
    atomic_mass_map[1012480000] = 248.082823
    atomic_mass_map[1022480000] = 248.08655
    atomic_mass_map[952490000] = 249.07848
    atomic_mass_map[962490000] = 249.075954767
    atomic_mass_map[972490000] = 249.074987676
    atomic_mass_map[982490000] = 249.074853903
    atomic_mass_map[992490000] = 249.076411
    atomic_mass_map[1002490000] = 249.07892755
    atomic_mass_map[1012490000] = 249.082914
    atomic_mass_map[1022490000] = 249.087797
    atomic_mass_map[962500000] = 250.078358313
    atomic_mass_map[972500000] = 250.078316698
    atomic_mass_map[982500000] = 250.076406244
    atomic_mass_map[992500000] = 250.078612
    atomic_mass_map[1002500000] = 250.079521034
    atomic_mass_map[1012500000] = 250.084415
    atomic_mass_map[1022500000] = 250.087562
    atomic_mass_map[962510000] = 251.082286441
    atomic_mass_map[972510000] = 251.080762009
    atomic_mass_map[982510000] = 251.079588625
    atomic_mass_map[992510000] = 251.079993586
    atomic_mass_map[1002510000] = 251.08153989
    atomic_mass_map[1012510000] = 251.084774376
    atomic_mass_map[1022510000] = 251.088944
    atomic_mass_map[1032510000] = 251.09418
    atomic_mass_map[962520000] = 252.08487
    atomic_mass_map[972520000] = 252.084311
    atomic_mass_map[982520000] = 252.081627199
    atomic_mass_map[992520000] = 252.082979865
    atomic_mass_map[1002520000] = 252.08246706
    atomic_mass_map[1012520000] = 252.086432
    atomic_mass_map[1022520000] = 252.088966908
    atomic_mass_map[1032520000] = 252.095264
    atomic_mass_map[972530000] = 253.08688
    atomic_mass_map[982530000] = 253.085134499
    atomic_mass_map[992530000] = 253.084825715
    atomic_mass_map[1002530000] = 253.085184571
    atomic_mass_map[1012530000] = 253.087144
    atomic_mass_map[1022530000] = 253.090564103
    atomic_mass_map[1032530000] = 253.095091
    atomic_mass_map[1042530000] = 253.100438
    atomic_mass_map[972540000] = 254.0906
    atomic_mass_map[982540000] = 254.087324263
    atomic_mass_map[992540000] = 254.088022199
    atomic_mass_map[1002540000] = 254.086854397
    atomic_mass_map[1012540000] = 254.089592
    atomic_mass_map[1022540000] = 254.090955661
    atomic_mass_map[1032540000] = 254.096483
    atomic_mass_map[1042540000] = 254.100053
    atomic_mass_map[982550000] = 255.091048
    atomic_mass_map[992550000] = 255.090274958
    atomic_mass_map[1002550000] = 255.089964038
    atomic_mass_map[1012550000] = 255.091084149
    atomic_mass_map[1022550000] = 255.093191404
    atomic_mass_map[1032550000] = 255.096562404
    atomic_mass_map[1042550000] = 255.101268
    atomic_mass_map[1052550000] = 255.107068
    atomic_mass_map[982560000] = 256.093442
    atomic_mass_map[992560000] = 256.093599
    atomic_mass_map[1002560000] = 256.091774469
    atomic_mass_map[1012560000] = 256.093889
    atomic_mass_map[1022560000] = 256.09428287
    atomic_mass_map[1032560000] = 256.09849403
    atomic_mass_map[1042560000] = 256.101152218
    atomic_mass_map[1052560000] = 256.10789
    atomic_mass_map[992570000] = 257.095979
    atomic_mass_map[1002570000] = 257.095106078
    atomic_mass_map[1012570000] = 257.095542387
    atomic_mass_map[1022570000] = 257.09688783
    atomic_mass_map[1032570000] = 257.099418
    atomic_mass_map[1042570000] = 257.10291812
    atomic_mass_map[1052570000] = 257.107578
    atomic_mass_map[992580000] = 258.09952
    atomic_mass_map[1002580000] = 258.097077
    atomic_mass_map[1012580000] = 258.098431496
    atomic_mass_map[1022580000] = 258.098207
    atomic_mass_map[1032580000] = 258.101755
    atomic_mass_map[1042580000] = 258.103427679
    atomic_mass_map[1052580000] = 258.109285
    atomic_mass_map[1062580000] = 258.112983
    atomic_mass_map[1002590000] = 259.100597
    atomic_mass_map[1012590000] = 259.100511
    atomic_mass_map[1022590000] = 259.101032
    atomic_mass_map[1032590000] = 259.102902
    atomic_mass_map[1042590000] = 259.105596
    atomic_mass_map[1052590000] = 259.109491866
    atomic_mass_map[1062590000] = 259.114396
    atomic_mass_map[1002600000] = 260.102809
    atomic_mass_map[1012600000] = 260.103653
    atomic_mass_map[1022600000] = 260.102644
    atomic_mass_map[1032600000] = 260.105505
    atomic_mass_map[1042600000] = 260.106441
    atomic_mass_map[1052600000] = 260.111297
    atomic_mass_map[1062600000] = 260.114384105
    atomic_mass_map[1072600000] = 260.121659
    atomic_mass_map[1012610000] = 261.105828
    atomic_mass_map[1022610000] = 261.105697
    atomic_mass_map[1032610000] = 261.106884
    atomic_mass_map[1042610000] = 261.108773401
    atomic_mass_map[1052610000] = 261.111917
    atomic_mass_map[1062610000] = 261.115949461
    atomic_mass_map[1072610000] = 261.121455
    atomic_mass_map[1012620000] = 262.109101
    atomic_mass_map[1022620000] = 262.107464
    atomic_mass_map[1032620000] = 262.109612
    atomic_mass_map[1042620000] = 262.109925
    atomic_mass_map[1052620000] = 262.114072
    atomic_mass_map[1062620000] = 262.116336679
    atomic_mass_map[1072620000] = 262.122967
    atomic_mass_map[1022630000] = 263.110715
    atomic_mass_map[1032630000] = 263.111359
    atomic_mass_map[1042630000] = 263.112495
    atomic_mass_map[1052630000] = 263.11499
    atomic_mass_map[1062630000] = 263.118294
    atomic_mass_map[1072630000] = 263.122916
    atomic_mass_map[1082630000] = 263.128522
    atomic_mass_map[1022640000] = 264.112734
    atomic_mass_map[1032640000] = 264.114201
    atomic_mass_map[1042640000] = 264.113879
    atomic_mass_map[1052640000] = 264.117405
    atomic_mass_map[1062640000] = 264.118931
    atomic_mass_map[1072640000] = 264.124593
    atomic_mass_map[1082640000] = 264.128356917
    atomic_mass_map[1032650000] = 265.116193
    atomic_mass_map[1042650000] = 265.116684
    atomic_mass_map[1052650000] = 265.118613
    atomic_mass_map[1062650000] = 265.121093
    atomic_mass_map[1072650000] = 265.124914
    atomic_mass_map[1082650000] = 265.129792986
    atomic_mass_map[1092650000] = 265.135996
    atomic_mass_map[1032660000] = 266.119831
    atomic_mass_map[1042660000] = 266.118172
    atomic_mass_map[1052660000] = 266.121029
    atomic_mass_map[1062660000] = 266.121975
    atomic_mass_map[1072660000] = 266.126794
    atomic_mass_map[1082660000] = 266.1300464
    atomic_mass_map[1092660000] = 266.137374
    atomic_mass_map[1042670000] = 267.121789
    atomic_mass_map[1052670000] = 267.122465
    atomic_mass_map[1062670000] = 267.124357
    atomic_mass_map[1072670000] = 267.127501
    atomic_mass_map[1082670000] = 267.131673
    atomic_mass_map[1092670000] = 267.137189
    atomic_mass_map[1102670000] = 267.143768
    atomic_mass_map[1042680000] = 268.123968
    atomic_mass_map[1052680000] = 268.125671
    atomic_mass_map[1062680000] = 268.125392
    atomic_mass_map[1072680000] = 268.129692
    atomic_mass_map[1082680000] = 268.131865
    atomic_mass_map[1092680000] = 268.138649
    atomic_mass_map[1102680000] = 268.143478
    atomic_mass_map[1052690000] = 269.127911
    atomic_mass_map[1062690000] = 269.128627
    atomic_mass_map[1072690000] = 269.130416
    atomic_mass_map[1082690000] = 269.133753
    atomic_mass_map[1092690000] = 269.138822
    atomic_mass_map[1102690000] = 269.144752124
    atomic_mass_map[1052700000] = 270.131356
    atomic_mass_map[1062700000] = 270.130427
    atomic_mass_map[1072700000] = 270.133363
    atomic_mass_map[1082700000] = 270.13429
    atomic_mass_map[1092700000] = 270.140327
    atomic_mass_map[1102700000] = 270.144584153
    atomic_mass_map[1062710000] = 271.133933
    atomic_mass_map[1072710000] = 271.135256
    atomic_mass_map[1082710000] = 271.13717
    atomic_mass_map[1092710000] = 271.140744
    atomic_mass_map[1102710000] = 271.145946
    atomic_mass_map[1062720000] = 272.13589
    atomic_mass_map[1072720000] = 272.138264
    atomic_mass_map[1082720000] = 272.138495
    atomic_mass_map[1092720000] = 272.143406
    atomic_mass_map[1102720000] = 272.14602
    atomic_mass_map[1112720000] = 272.153273
    atomic_mass_map[1062730000] = 273.13958
    atomic_mass_map[1072730000] = 273.14024
    atomic_mass_map[1082730000] = 273.141679
    atomic_mass_map[1092730000] = 273.144399
    atomic_mass_map[1102730000] = 273.14856
    atomic_mass_map[1112730000] = 273.153127
    atomic_mass_map[1072740000] = 274.143548
    atomic_mass_map[1082740000] = 274.143304
    atomic_mass_map[1092740000] = 274.147245
    atomic_mass_map[1102740000] = 274.149411
    atomic_mass_map[1112740000] = 274.155253
    atomic_mass_map[1072750000] = 275.14567
    atomic_mass_map[1082750000] = 275.146668
    atomic_mass_map[1092750000] = 275.14882
    atomic_mass_map[1102750000] = 275.152033
    atomic_mass_map[1112750000] = 275.155939
    atomic_mass_map[1082760000] = 276.148455
    atomic_mass_map[1092760000] = 276.151594
    atomic_mass_map[1102760000] = 276.153025
    atomic_mass_map[1112760000] = 276.158334
    atomic_mass_map[1122760000] = 276.16141
    atomic_mass_map[1082770000] = 277.151899
    atomic_mass_map[1092770000] = 277.153268
    atomic_mass_map[1102770000] = 277.155914
    atomic_mass_map[1112770000] = 277.159069
    atomic_mass_map[1122770000] = 277.163641
    atomic_mass_map[1092780000] = 278.156307
    atomic_mass_map[1102780000] = 278.15704
    atomic_mass_map[1112780000] = 278.161493
    atomic_mass_map[1122780000] = 278.164156
    atomic_mass_map[1132780000] = 278.170578
    atomic_mass_map[1092790000] = 279.158075
    atomic_mass_map[1102790000] = 279.160097
    atomic_mass_map[1112790000] = 279.162722
    atomic_mass_map[1122790000] = 279.166542
    atomic_mass_map[1132790000] = 279.17095
    atomic_mass_map[1102800000] = 280.161311
    atomic_mass_map[1112800000] = 280.165138
    atomic_mass_map[1122800000] = 280.167147
    atomic_mass_map[1132800000] = 280.17293
    atomic_mass_map[1102810000] = 281.164511
    atomic_mass_map[1112810000] = 281.16636
    atomic_mass_map[1122810000] = 281.169746
    atomic_mass_map[1132810000] = 281.17348
    atomic_mass_map[1112820000] = 282.169119
    atomic_mass_map[1122820000] = 282.170496
    atomic_mass_map[1132820000] = 282.175672
    atomic_mass_map[1112830000] = 283.170544
    atomic_mass_map[1122830000] = 283.17327
    atomic_mass_map[1132830000] = 283.176571
    atomic_mass_map[1122840000] = 284.174156
    atomic_mass_map[1132840000] = 284.178727
    atomic_mass_map[1122850000] = 285.177117
    atomic_mass_map[1132850000] = 285.179727
    atomic_mass_map[1142850000] = 285.183643
    atomic_mass_map[1132860000] = 286.182208
    atomic_mass_map[1142860000] = 286.184235
    atomic_mass_map[1132870000] = 287.183389
    atomic_mass_map[1142870000] = 287.186783
    atomic_mass_map[1152870000] = 287.190704
    atomic_mass_map[1142880000] = 288.187572
    atomic_mass_map[1152880000] = 288.19274
    atomic_mass_map[1142890000] = 289.190419
    atomic_mass_map[1152890000] = 289.193627
    atomic_mass_map[1162890000] = 289.198162
    atomic_mass_map[1152900000] = 290.195975
    atomic_mass_map[1162900000] = 290.198638
    atomic_mass_map[1152910000] = 291.197071
    atomic_mass_map[1162910000] = 291.201077
    atomic_mass_map[1172910000] = 291.205535
    atomic_mass_map[1162920000] = 292.201742
    atomic_mass_map[1172920000] = 292.207463
    atomic_mass_map[1162930000] = 293.204487
    atomic_mass_map[1172930000] = 293.208236
    atomic_mass_map[1182930000] = 293.213562
    atomic_mass_map[1172940000] = 294.210462
    atomic_mass_map[1182940000] = 294.213921
    atomic_mass_map[1182950000] = 295.21624

    natural_abund_map = {}
    natural_abund_map[10010000] = 99.9885
    natural_abund_map[10020000] = 0.0115
    natural_abund_map[20030000] = 0.000134
    natural_abund_map[20040000] = 99.999866
    natural_abund_map[30060000] = 7.59
    natural_abund_map[30070000] = 92.41
    natural_abund_map[40090000] = 100.0
    natural_abund_map[50100000] = 19.9
    natural_abund_map[50110000] = 80.1
    natural_abund_map[60120000] = 98.93
    natural_abund_map[60130000] = 1.07
    natural_abund_map[70140000] = 99.636
    natural_abund_map[70150000] = 0.364
    natural_abund_map[80160000] = 99.757
    natural_abund_map[80170000] = 0.038
    natural_abund_map[80180000] = 0.205
    natural_abund_map[90190000] = 100.0
    natural_abund_map[100200000] = 90.48
    natural_abund_map[100210000] = 0.27
    natural_abund_map[100220000] = 9.25
    natural_abund_map[110230000] = 100.0
    natural_abund_map[120240000] = 78.99
    natural_abund_map[120250000] = 10.00
    natural_abund_map[120260000] = 11.01
    natural_abund_map[130270000] = 100.0
    natural_abund_map[140280000] = 92.223
    natural_abund_map[140290000] = 4.685
    natural_abund_map[140300000] = 3.092
    natural_abund_map[150310000] = 100.0
    natural_abund_map[160320000] = 94.99
    natural_abund_map[160330000] = 0.75
    natural_abund_map[160340000] = 4.25
    natural_abund_map[160360000] = 0.01
    natural_abund_map[170350000] = 75.76
    natural_abund_map[170370000] = 24.24
    natural_abund_map[180360000] = 0.3336
    natural_abund_map[180380000] = 0.0629
    natural_abund_map[180400000] = 99.6035
    natural_abund_map[190390000] = 93.2581
    natural_abund_map[190400000] = 0.0117
    natural_abund_map[190410000] = 6.7302
    natural_abund_map[200400000] = 96.941
    natural_abund_map[200420000] = 0.647
    natural_abund_map[200430000] = 0.135
    natural_abund_map[200440000] = 2.086
    natural_abund_map[200460000] = 0.004
    natural_abund_map[200480000] = 0.187
    natural_abund_map[210450000] = 100.0
    natural_abund_map[220460000] = 8.25
    natural_abund_map[220470000] = 7.44
    natural_abund_map[220480000] = 73.72
    natural_abund_map[220490000] = 5.41
    natural_abund_map[220500000] = 5.18
    natural_abund_map[230500000] = 0.250
    natural_abund_map[230510000] = 99.750
    natural_abund_map[240500000] = 4.345
    natural_abund_map[240520000] = 83.789
    natural_abund_map[240530000] = 9.501
    natural_abund_map[240540000] = 2.365
    natural_abund_map[250550000] = 100.0
    natural_abund_map[260540000] = 5.845
    natural_abund_map[260560000] = 91.754
    natural_abund_map[260570000] = 2.119
    natural_abund_map[260580000] = 0.282
    natural_abund_map[270590000] = 100.0
    natural_abund_map[280580000] = 68.077
    natural_abund_map[280600000] = 26.223
    natural_abund_map[280610000] = 1.1399
    natural_abund_map[280620000] = 3.6346
    natural_abund_map[280640000] = 0.9255
    natural_abund_map[290630000] = 69.15
    natural_abund_map[290650000] = 30.85
    natural_abund_map[300640000] = 49.17
    natural_abund_map[300660000] = 27.73
    natural_abund_map[300670000] = 4.04
    natural_abund_map[300680000] = 18.45
    natural_abund_map[300700000] = 0.61
    natural_abund_map[310690000] = 60.108
    natural_abund_map[310710000] = 39.892
    natural_abund_map[320700000] = 20.57
    natural_abund_map[320720000] = 27.45
    natural_abund_map[320730000] = 7.75
    natural_abund_map[320740000] = 36.50
    natural_abund_map[320760000] = 7.73
    natural_abund_map[330750000] = 100.0
    natural_abund_map[340740000] = 0.89
    natural_abund_map[340760000] = 9.37
    natural_abund_map[340770000] = 7.63
    natural_abund_map[340780000] = 23.77
    natural_abund_map[340800000] = 49.61
    natural_abund_map[340820000] = 8.73
    natural_abund_map[350790000] = 50.69
    natural_abund_map[350810000] = 49.31
    natural_abund_map[360780000] = 0.355
    natural_abund_map[360800000] = 2.286
    natural_abund_map[360820000] = 11.593
    natural_abund_map[360830000] = 11.500
    natural_abund_map[360840000] = 56.987
    natural_abund_map[360860000] = 17.279
    natural_abund_map[370850000] = 72.17
    natural_abund_map[370870000] = 27.83
    natural_abund_map[380840000] = 0.56
    natural_abund_map[380860000] = 9.86
    natural_abund_map[380870000] = 7.00
    natural_abund_map[380880000] = 82.58
    natural_abund_map[390890000] = 100.0
    natural_abund_map[400900000] = 51.45
    natural_abund_map[400910000] = 11.22
    natural_abund_map[400920000] = 17.15
    natural_abund_map[400940000] = 17.38
    natural_abund_map[400960000] = 2.80
    natural_abund_map[410930000] = 100.0
    natural_abund_map[420920000] = 14.53
    natural_abund_map[420940000] = 9.15
    natural_abund_map[420950000] = 15.84
    natural_abund_map[420960000] = 16.67
    natural_abund_map[420970000] = 9.60
    natural_abund_map[420980000] = 24.39
    natural_abund_map[421000000] = 9.82
    natural_abund_map[440960000] = 5.54
    natural_abund_map[440980000] = 1.87
    natural_abund_map[440990000] = 12.76
    natural_abund_map[441000000] = 12.60
    natural_abund_map[441010000] = 17.06
    natural_abund_map[441020000] = 31.55
    natural_abund_map[441040000] = 18.62
    natural_abund_map[451030000] = 100.0
    natural_abund_map[461020000] = 1.02
    natural_abund_map[461040000] = 11.14
    natural_abund_map[461050000] = 22.33
    natural_abund_map[461060000] = 27.33
    natural_abund_map[461080000] = 26.46
    natural_abund_map[461100000] = 11.72
    natural_abund_map[471070000] = 51.839
    natural_abund_map[471090000] = 48.161
    natural_abund_map[481060000] = 1.25
    natural_abund_map[481080000] = 0.89
    natural_abund_map[481100000] = 12.49
    natural_abund_map[481110000] = 12.80
    natural_abund_map[481120000] = 24.13
    natural_abund_map[481130000] = 12.22
    natural_abund_map[481140000] = 28.73
    natural_abund_map[481160000] = 7.49
    natural_abund_map[491130000] = 4.29
    natural_abund_map[491150000] = 95.71
    natural_abund_map[501120000] = 0.97
    natural_abund_map[501140000] = 0.66
    natural_abund_map[501150000] = 0.34
    natural_abund_map[501160000] = 14.54
    natural_abund_map[501170000] = 7.68
    natural_abund_map[501180000] = 24.22
    natural_abund_map[501190000] = 8.59
    natural_abund_map[501200000] = 32.58
    natural_abund_map[501220000] = 4.63
    natural_abund_map[501240000] = 5.79
    natural_abund_map[511210000] = 57.21
    natural_abund_map[511230000] = 42.79
    natural_abund_map[521200000] = 0.09
    natural_abund_map[521220000] = 2.55
    natural_abund_map[521230000] = 0.89
    natural_abund_map[521240000] = 4.74
    natural_abund_map[521250000] = 7.07
    natural_abund_map[521260000] = 18.84
    natural_abund_map[521280000] = 31.74
    natural_abund_map[521300000] = 34.08
    natural_abund_map[531270000] = 100.0
    natural_abund_map[541240000] = 0.0952
    natural_abund_map[541260000] = 0.0890
    natural_abund_map[541280000] = 1.9102
    natural_abund_map[541290000] = 26.4006
    natural_abund_map[541300000] = 4.0710
    natural_abund_map[541310000] = 21.2324
    natural_abund_map[541320000] = 26.9086
    natural_abund_map[541340000] = 10.4357
    natural_abund_map[541360000] = 8.8573
    natural_abund_map[551330000] = 100.0
    natural_abund_map[561300000] = 0.106
    natural_abund_map[561320000] = 0.101
    natural_abund_map[561340000] = 2.417
    natural_abund_map[561350000] = 6.592
    natural_abund_map[561360000] = 7.854
    natural_abund_map[561370000] = 11.232
    natural_abund_map[561380000] = 71.698
    natural_abund_map[571380000] = 0.08881
    natural_abund_map[571390000] = 99.91119
    natural_abund_map[581360000] = 0.185
    natural_abund_map[581380000] = 0.251
    natural_abund_map[581400000] = 88.450
    natural_abund_map[581420000] = 11.114
    natural_abund_map[591410000] = 100.0
    natural_abund_map[601420000] = 27.152
    natural_abund_map[601430000] = 12.174
    natural_abund_map[601440000] = 23.798
    natural_abund_map[601450000] = 8.293
    natural_abund_map[601460000] = 17.189
    natural_abund_map[601480000] = 5.756
    natural_abund_map[601500000] = 5.638
    natural_abund_map[621440000] = 3.07
    natural_abund_map[621470000] = 14.99
    natural_abund_map[621480000] = 11.24
    natural_abund_map[621490000] = 13.82
    natural_abund_map[621500000] = 7.38
    natural_abund_map[621520000] = 26.75
    natural_abund_map[621540000] = 22.75
    natural_abund_map[631510000] = 47.81
    natural_abund_map[631530000] = 52.19
    natural_abund_map[641520000] = 0.20
    natural_abund_map[641540000] = 2.18
    natural_abund_map[641550000] = 14.80
    natural_abund_map[641560000] = 20.47
    natural_abund_map[641570000] = 15.65
    natural_abund_map[641580000] = 24.84
    natural_abund_map[641600000] = 21.86
    natural_abund_map[651590000] = 100.0
    natural_abund_map[661560000] = 0.056
    natural_abund_map[661580000] = 0.095
    natural_abund_map[661600000] = 2.329
    natural_abund_map[661610000] = 18.889
    natural_abund_map[661620000] = 25.475
    natural_abund_map[661630000] = 24.896
    natural_abund_map[661640000] = 28.260
    natural_abund_map[671650000] = 100.0
    natural_abund_map[681620000] = 0.139
    natural_abund_map[681640000] = 1.601
    natural_abund_map[681660000] = 33.503
    natural_abund_map[681670000] = 22.869
    natural_abund_map[681680000] = 26.978
    natural_abund_map[681700000] = 14.910
    natural_abund_map[691690000] = 100.0
    natural_abund_map[701680000] = 0.123
    natural_abund_map[701700000] = 2.982
    natural_abund_map[701710000] = 14.09
    natural_abund_map[701720000] = 21.68
    natural_abund_map[701730000] = 16.103
    natural_abund_map[701740000] = 32.026
    natural_abund_map[701760000] = 12.996
    natural_abund_map[711750000] = 97.401
    natural_abund_map[711760000] = 2.599
    natural_abund_map[721740000] = 0.16
    natural_abund_map[721760000] = 5.26
    natural_abund_map[721770000] = 18.60
    natural_abund_map[721780000] = 27.28
    natural_abund_map[721790000] = 13.62
    natural_abund_map[721800000] = 35.08
    natural_abund_map[731800000] = 0.01201
    natural_abund_map[731810000] = 99.98799
    natural_abund_map[741800000] = 0.12
    natural_abund_map[741820000] = 26.50
    natural_abund_map[741830000] = 14.31
    natural_abund_map[741840000] = 30.64
    natural_abund_map[741860000] = 28.43
    natural_abund_map[751850000] = 37.40
    natural_abund_map[751870000] = 62.60
    natural_abund_map[761840000] = 0.02
    natural_abund_map[761860000] = 1.59
    natural_abund_map[761870000] = 1.96
    natural_abund_map[761880000] = 13.24
    natural_abund_map[761890000] = 16.15
    natural_abund_map[761900000] = 26.26
    natural_abund_map[761920000] = 40.78
    natural_abund_map[771910000] = 37.3
    natural_abund_map[771930000] = 62.7
    natural_abund_map[781900000] = 0.012
    natural_abund_map[781920000] = 0.782
    natural_abund_map[781940000] = 32.86
    natural_abund_map[781950000] = 33.78
    natural_abund_map[781960000] = 25.21
    natural_abund_map[781980000] = 7.356
    natural_abund_map[791970000] = 100.0
    natural_abund_map[801960000] = 0.15
    natural_abund_map[801980000] = 9.97
    natural_abund_map[801990000] = 16.87
    natural_abund_map[802000000] = 23.10
    natural_abund_map[802010000] = 13.18
    natural_abund_map[802020000] = 29.86
    natural_abund_map[802040000] = 6.87
    natural_abund_map[812030000] = 29.52
    natural_abund_map[812050000] = 70.48
    natural_abund_map[822040000] = 1.4
    natural_abund_map[822060000] = 24.1
    natural_abund_map[822070000] = 22.1
    natural_abund_map[822080000] = 52.4
    natural_abund_map[832090000] = 100.0
    natural_abund_map[902320000] = 100.0
    natural_abund_map[912310000] = 100.0
    natural_abund_map[922340000] = 0.0054
    natural_abund_map[922350000] = 0.7204
    natural_abund_map[922380000] = 99.2742

    # get atomic number part of zaid
    def get_zz(self, nuclide):
        zaid = int(nuclide)
        zz = int(nuclide / 1000)
        return zz

    # get nucleon number part of zaid
    def get_aa(self, nuclide):
        zaid = int(nuclide)
        aa = int(nuclide) - 1000 * int(nuclide / 1000)
        return aa

    # given an element zaid get back a list of
    # isotopes for that element
    def get_nucs(self, element):
        nucid = element * 10000  # get zaid in nucid

        all_nuclides = self.natural_abund_map.keys()

        nuclides = []

        for nuclide in all_nuclides:
            if nuclide - nucid > 0 and nuclide - nucid < nucid / 100:
                nuclides.append(int(nuclide / 10000))  # return the zaid

        return nuclides

    # calculate the atomic mass of an element
    def atomic_mass(self, element):
        mass = 0
        nucid = element * 10000  # get zaid in nucid

        for nuclide in self.natural_abund_map.keys():
            if nuclide - nucid > 0 and nuclide - nucid < nucid / 100:
                mass += (
                    self.natural_abund_map[nuclide]
                    / 100
                    * self.atomic_mass_map[nuclide]
                )  # return the zaid
        return mass
